28231125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{5791}}^1$

素因数の和:5822

約数の個数: 32

約数和(自身を含む): 50598912

約数和(自身を除く): 22367787

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 325, 375, 975, 1625, 4875, 5791, 17373, 28955, 75283, 86865, 144775, 225849, 376415, 434325, 723875, 1129245, 1882075, 2171625, 5646225, 9410375, 28231125]

約数ペア:

[(1, 28231125), (3, 9410375), (5, 5646225), (13, 2171625), (15, 1882075), (25, 1129245), (39, 723875), (65, 434325), (75, 376415), (125, 225849), (195, 144775), (325, 86865), (375, 75283), (975, 28955), (1625, 17373), (4875, 5791)]