20171074671

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1\times {\mathrm{311}}^1$

素因数の和:446

約数の個数: 144

約数和(自身を含む): 35610382080

約数和(自身を除く): 15439307409

約数列:

[1, 3, 9, 11, 19, 29, 33, 41, 57, 87, 99, 123, 171, 209, 261, 311, 319, 369, 451, 551, 627, 779, 841, 933, 957, 1189, 1353, 1653, 1881, 2337, 2523, 2799, 2871, 3421, 3567, 4059, 4959, 5909, 6061, 7011, 7569, 8569, 9019, 9251, 10263, 10701, 12751, 13079, 15979, 17727, 18183, 22591, 25707, 27057, 27753, 30789, 34481, 38253, 39237, 47937, 53181, 54549, 64999, 67773, 77121, 81171, 83259, 99209, 103443, 114759, 117711, 140261, 143811, 171361, 175769, 194997, 203319, 242269, 248501, 261551, 297627, 310329, 369779, 379291, 420783, 514083, 527307, 584991, 655139, 726807, 745503, 784653, 892881, 1109337, 1137873, 1262349, 1542249, 1581921, 1884971, 1965417, 2180421, 2236509, 2353959, 2664959, 2877061, 3328011, 3413619, 4067569, 4969469, 5654913, 5896251, 7025801, 7206529, 7994877, 8631183, 10723591, 12202707, 14908407, 16964739, 21077403, 21619587, 23984631, 25893549, 32170773, 36608121, 44725221, 54664159, 63232209, 64858761, 77283811, 96512319, 117959501, 163992477, 203748229, 231851433, 353878503, 491977431, 611244687, 695554299, 1061635509, 1833734061, 2241230519, 6723691557, 20171074671]

約数ペア:

[(1, 20171074671), (3, 6723691557), (9, 2241230519), (11, 1833734061), (19, 1061635509), (29, 695554299), (33, 611244687), (41, 491977431), (57, 353878503), (87, 231851433), (99, 203748229), (123, 163992477), (171, 117959501), (209, 96512319), (261, 77283811), (311, 64858761), (319, 63232209), (369, 54664159), (451, 44725221), (551, 36608121), (627, 32170773), (779, 25893549), (841, 23984631), (933, 21619587), (957, 21077403), (1189, 16964739), (1353, 14908407), (1653, 12202707), (1881, 10723591), (2337, 8631183), (2523, 7994877), (2799, 7206529), (2871, 7025801), (3421, 5896251), (3567, 5654913), (4059, 4969469), (4959, 4067569), (5909, 3413619), (6061, 3328011), (7011, 2877061), (7569, 2664959), (8569, 2353959), (9019, 2236509), (9251, 2180421), (10263, 1965417), (10701, 1884971), (12751, 1581921), (13079, 1542249), (15979, 1262349), (17727, 1137873), (18183, 1109337), (22591, 892881), (25707, 784653), (27057, 745503), (27753, 726807), (30789, 655139), (34481, 584991), (38253, 527307), (39237, 514083), (47937, 420783), (53181, 379291), (54549, 369779), (64999, 310329), (67773, 297627), (77121, 261551), (81171, 248501), (83259, 242269), (99209, 203319), (103443, 194997), (114759, 175769), (117711, 171361), (140261, 143811)]