1081625

素因数分解:

$5^3\times {\mathrm{17}}^1\times {\mathrm{509}}^1$

素因数の和:541

約数の個数: 16

約数和(自身を含む): 1432080

約数和(自身を除く): 350455

約数列:

[1, 5, 17, 25, 85, 125, 425, 509, 2125, 2545, 8653, 12725, 43265, 63625, 216325, 1081625]

約数ペア:

[(1, 1081625), (5, 216325), (17, 63625), (25, 43265), (85, 12725), (125, 8653), (425, 2545), (509, 2125)]