1987125

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{757}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 3783936

約数和(自身を除く): 1796811

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 125, 175, 375, 525, 757, 875, 2271, 2625, 3785, 5299, 11355, 15897, 18925, 26495, 56775, 79485, 94625, 132475, 283875, 397425, 662375, 1987125]

約数ペア:

[(1, 1987125), (3, 662375), (5, 397425), (7, 283875), (15, 132475), (21, 94625), (25, 79485), (35, 56775), (75, 26495), (105, 18925), (125, 15897), (175, 11355), (375, 5299), (525, 3785), (757, 2625), (875, 2271)]