4372391079

素因数分解:

$3^2\times 7^2\times {\mathrm{9914719}}^1$

素因数の和:9914739

約数の個数: 18

約数和(自身を含む): 7346807520

約数和(自身を除く): 2974416441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 9914719, 29744157, 69403033, 89232471, 208209099, 485821231, 624627297, 1457463693, 4372391079]

約数ペア:

[(1, 4372391079), (3, 1457463693), (7, 624627297), (9, 485821231), (21, 208209099), (49, 89232471), (63, 69403033), (147, 29744157), (441, 9914719)]