1280457507

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{685103}}^1$

素因数の和:685202

約数の個数: 16

約数和(自身を含む): 1973099520

約数和(自身を除く): 692642013

約数列:

[1, 3, 7, 21, 89, 267, 623, 1869, 685103, 2055309, 4795721, 14387163, 60974167, 182922501, 426819169, 1280457507]

約数ペア:

[(1, 1280457507), (3, 426819169), (7, 182922501), (21, 60974167), (89, 14387163), (267, 4795721), (623, 2055309), (1869, 685103)]