207231651

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 72

約数和(自身を含む): 358712640

約数和(自身を除く): 151480989

約数列:

[1, 3, 9, 11, 19, 29, 33, 57, 87, 99, 131, 171, 209, 261, 319, 393, 551, 627, 841, 957, 1179, 1441, 1653, 1881, 2489, 2523, 2871, 3799, 4323, 4959, 6061, 7467, 7569, 9251, 11397, 12969, 15979, 18183, 22401, 27379, 27753, 34191, 41789, 47937, 54549, 72181, 82137, 83259, 110171, 125367, 143811, 175769, 216543, 246411, 330513, 376101, 527307, 649629, 793991, 991539, 1211881, 1581921, 2093249, 2381973, 3635643, 6279747, 7145919, 10906929, 18839241, 23025739, 69077217, 207231651]

約数ペア:

[(1, 207231651), (3, 69077217), (9, 23025739), (11, 18839241), (19, 10906929), (29, 7145919), (33, 6279747), (57, 3635643), (87, 2381973), (99, 2093249), (131, 1581921), (171, 1211881), (209, 991539), (261, 793991), (319, 649629), (393, 527307), (551, 376101), (627, 330513), (841, 246411), (957, 216543), (1179, 175769), (1441, 143811), (1653, 125367), (1881, 110171), (2489, 83259), (2523, 82137), (2871, 72181), (3799, 54549), (4323, 47937), (4959, 41789), (6061, 34191), (7467, 27753), (7569, 27379), (9251, 22401), (11397, 18183), (12969, 15979)]