28309125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5807}}^1$

素因数の和:5838

約数の個数: 32

約数和(自身を含む): 50738688

約数和(自身を除く): 22429563

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 5807, 17421, 29035, 75491, 87105, 145175, 226473, 377455, 435525, 725875, 1132365, 1887275, 2177625, 5661825, 9436375, 28309125]

約数ペア:

[(1, 28309125), (3, 9436375), (5, 5661825), (13, 2177625), (15, 1887275), (25, 1132365), (39, 725875), (65, 435525), (75, 377455), (125, 226473), (195, 145175), (325, 87105), (375, 75491), (975, 29035), (1625, 17421), (4875, 5807)]