81174555

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 160

約数和(自身を含む): 192360960

約数和(自身を除く): 111186405

約数列:

[1, 3, 5, 7, 9, 11, 15, 19, 21, 27, 33, 35, 45, 55, 57, 63, 77, 81, 95, 99, 105, 133, 135, 137, 165, 171, 189, 209, 231, 285, 297, 315, 385, 399, 405, 411, 495, 513, 567, 627, 665, 685, 693, 855, 891, 945, 959, 1045, 1155, 1197, 1233, 1463, 1485, 1507, 1539, 1881, 1995, 2055, 2079, 2565, 2603, 2835, 2877, 3135, 3465, 3591, 3699, 4389, 4455, 4521, 4795, 5643, 5985, 6165, 6237, 7315, 7535, 7695, 7809, 8631, 9405, 10395, 10549, 10773, 11097, 13015, 13167, 13563, 14385, 16929, 17955, 18221, 18495, 21945, 22605, 23427, 25893, 28215, 28633, 31185, 31647, 39045, 39501, 40689, 43155, 52745, 53865, 54663, 55485, 65835, 67815, 70281, 77679, 84645, 85899, 91105, 94941, 117135, 118503, 122067, 129465, 143165, 158235, 163989, 197505, 200431, 203445, 210843, 257697, 273315, 284823, 351405, 388395, 429495, 474705, 491967, 592515, 601293, 610335, 773091, 819945, 854469, 1002155, 1054215, 1288485, 1424115, 1475901, 1803879, 2319273, 2459835, 3006465, 3865455, 4272345, 5411637, 7379505, 9019395, 11596365, 16234911, 27058185, 81174555]

約数ペア:

[(1, 81174555), (3, 27058185), (5, 16234911), (7, 11596365), (9, 9019395), (11, 7379505), (15, 5411637), (19, 4272345), (21, 3865455), (27, 3006465), (33, 2459835), (35, 2319273), (45, 1803879), (55, 1475901), (57, 1424115), (63, 1288485), (77, 1054215), (81, 1002155), (95, 854469), (99, 819945), (105, 773091), (133, 610335), (135, 601293), (137, 592515), (165, 491967), (171, 474705), (189, 429495), (209, 388395), (231, 351405), (285, 284823), (297, 273315), (315, 257697), (385, 210843), (399, 203445), (405, 200431), (411, 197505), (495, 163989), (513, 158235), (567, 143165), (627, 129465), (665, 122067), (685, 118503), (693, 117135), (855, 94941), (891, 91105), (945, 85899), (959, 84645), (1045, 77679), (1155, 70281), (1197, 67815), (1233, 65835), (1463, 55485), (1485, 54663), (1507, 53865), (1539, 52745), (1881, 43155), (1995, 40689), (2055, 39501), (2079, 39045), (2565, 31647), (2603, 31185), (2835, 28633), (2877, 28215), (3135, 25893), (3465, 23427), (3591, 22605), (3699, 21945), (4389, 18495), (4455, 18221), (4521, 17955), (4795, 16929), (5643, 14385), (5985, 13563), (6165, 13167), (6237, 13015), (7315, 11097), (7535, 10773), (7695, 10549), (7809, 10395), (8631, 9405)]