128972625

素因数分解:

$3^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{20231}}^1$

素因数の和:20266

約数の個数: 32

約数和(自身を含む): 227245824

約数和(自身を除く): 98273199

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 125, 255, 375, 425, 1275, 2125, 6375, 20231, 60693, 101155, 303465, 343927, 505775, 1031781, 1517325, 1719635, 2528875, 5158905, 7586625, 8598175, 25794525, 42990875, 128972625]

約数ペア:

[(1, 128972625), (3, 42990875), (5, 25794525), (15, 8598175), (17, 7586625), (25, 5158905), (51, 2528875), (75, 1719635), (85, 1517325), (125, 1031781), (255, 505775), (375, 343927), (425, 303465), (1275, 101155), (2125, 60693), (6375, 20231)]