28457625

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:355

約数の個数: 64

約数和(自身を含む): 55770624

約数和(自身を除く): 27312999

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 37, 75, 105, 111, 125, 175, 185, 259, 293, 375, 525, 555, 777, 875, 879, 925, 1295, 1465, 2051, 2625, 2775, 3885, 4395, 4625, 6153, 6475, 7325, 10255, 10841, 13875, 19425, 21975, 30765, 32375, 32523, 36625, 51275, 54205, 75887, 97125, 109875, 153825, 162615, 227661, 256375, 271025, 379435, 769125, 813075, 1138305, 1355125, 1897175, 4065375, 5691525, 9485875, 28457625]

約数ペア:

[(1, 28457625), (3, 9485875), (5, 5691525), (7, 4065375), (15, 1897175), (21, 1355125), (25, 1138305), (35, 813075), (37, 769125), (75, 379435), (105, 271025), (111, 256375), (125, 227661), (175, 162615), (185, 153825), (259, 109875), (293, 97125), (375, 75887), (525, 54205), (555, 51275), (777, 36625), (875, 32523), (879, 32375), (925, 30765), (1295, 21975), (1465, 19425), (2051, 13875), (2625, 10841), (2775, 10255), (3885, 7325), (4395, 6475), (4625, 6153)]