28141875

素因数分解:

$3^2\times 5^4\times {\mathrm{5003}}^1$

素因数の和:5029

約数の個数: 30

約数和(自身を含む): 50805612

約数和(自身を除く): 22663737

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 125, 225, 375, 625, 1125, 1875, 5003, 5625, 15009, 25015, 45027, 75045, 125075, 225135, 375225, 625375, 1125675, 1876125, 3126875, 5628375, 9380625, 28141875]

約数ペア:

[(1, 28141875), (3, 9380625), (5, 5628375), (9, 3126875), (15, 1876125), (25, 1125675), (45, 625375), (75, 375225), (125, 225135), (225, 125075), (375, 75045), (625, 45027), (1125, 25015), (1875, 15009), (5003, 5625)]