8420625

素因数分解:

$3^3\times 5^4\times {\mathrm{499}}^1$

素因数の和:528

約数の個数: 40

約数和(自身を含む): 15620000

約数和(自身を除く): 7199375

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 125, 135, 225, 375, 499, 625, 675, 1125, 1497, 1875, 2495, 3375, 4491, 5625, 7485, 12475, 13473, 16875, 22455, 37425, 62375, 67365, 112275, 187125, 311875, 336825, 561375, 935625, 1684125, 2806875, 8420625]

約数ペア:

[(1, 8420625), (3, 2806875), (5, 1684125), (9, 935625), (15, 561375), (25, 336825), (27, 311875), (45, 187125), (75, 112275), (125, 67365), (135, 62375), (225, 37425), (375, 22455), (499, 16875), (625, 13473), (675, 12475), (1125, 7485), (1497, 5625), (1875, 4491), (2495, 3375)]