1881125

素因数分解:

$5^3\times {\mathrm{101}}^1\times {\mathrm{149}}^1$

素因数の和:265

約数の個数: 16

約数和(自身を含む): 2386800

約数和(自身を除く): 505675

約数列:

[1, 5, 25, 101, 125, 149, 505, 745, 2525, 3725, 12625, 15049, 18625, 75245, 376225, 1881125]

約数ペア:

[(1, 1881125), (5, 376225), (25, 75245), (101, 18625), (125, 15049), (149, 12625), (505, 3725), (745, 2525)]