988125

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:71

約数の個数: 40

約数和(自身を含む): 1799424

約数和(自身を除く): 811299

約数列:

[1, 3, 5, 15, 17, 25, 31, 51, 75, 85, 93, 125, 155, 255, 375, 425, 465, 527, 625, 775, 1275, 1581, 1875, 2125, 2325, 2635, 3875, 6375, 7905, 10625, 11625, 13175, 19375, 31875, 39525, 58125, 65875, 197625, 329375, 988125]

約数ペア:

[(1, 988125), (3, 329375), (5, 197625), (15, 65875), (17, 58125), (25, 39525), (31, 31875), (51, 19375), (75, 13175), (85, 11625), (93, 10625), (125, 7905), (155, 6375), (255, 3875), (375, 2635), (425, 2325), (465, 2125), (527, 1875), (625, 1581), (775, 1275)]