201385989

素因数分解:

$3^2\times 7^1\times {\mathrm{1019}}^1\times {\mathrm{3137}}^1$

素因数の和:4169

約数の個数: 24

約数和(自身を含む): 332879040

約数和(自身を除く): 131493051

約数列:

[1, 3, 7, 9, 21, 63, 1019, 3057, 3137, 7133, 9171, 9411, 21399, 21959, 28233, 64197, 65877, 197631, 3196603, 9589809, 22376221, 28769427, 67128663, 201385989]

約数ペア:

[(1, 201385989), (3, 67128663), (7, 28769427), (9, 22376221), (21, 9589809), (63, 3196603), (1019, 197631), (3057, 65877), (3137, 64197), (7133, 28233), (9171, 21959), (9411, 21399)]