123994575

素因数分解:

$3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{613}}^1$

素因数の和:689

約数の個数: 72

約数和(自身を含む): 237544320

約数和(自身を除く): 113549745

約数列:

[1, 3, 5, 9, 15, 25, 29, 31, 45, 75, 87, 93, 145, 155, 225, 261, 279, 435, 465, 613, 725, 775, 899, 1305, 1395, 1839, 2175, 2325, 2697, 3065, 4495, 5517, 6525, 6975, 8091, 9195, 13485, 15325, 17777, 19003, 22475, 27585, 40455, 45975, 53331, 57009, 67425, 88885, 95015, 137925, 159993, 171027, 202275, 266655, 285045, 444425, 475075, 551087, 799965, 855135, 1333275, 1425225, 1653261, 2755435, 3999825, 4275675, 4959783, 8266305, 13777175, 24798915, 41331525, 123994575]

約数ペア:

[(1, 123994575), (3, 41331525), (5, 24798915), (9, 13777175), (15, 8266305), (25, 4959783), (29, 4275675), (31, 3999825), (45, 2755435), (75, 1653261), (87, 1425225), (93, 1333275), (145, 855135), (155, 799965), (225, 551087), (261, 475075), (279, 444425), (435, 285045), (465, 266655), (613, 202275), (725, 171027), (775, 159993), (899, 137925), (1305, 95015), (1395, 88885), (1839, 67425), (2175, 57009), (2325, 53331), (2697, 45975), (3065, 40455), (4495, 27585), (5517, 22475), (6525, 19003), (6975, 17777), (8091, 15325), (9195, 13485)]