56638071

素因数分解:

$3^2\times 7^2\times {\mathrm{128431}}^1$

素因数の和:128451

約数の個数: 18

約数和(自身を含む): 95168112

約数和(自身を除く): 38530041

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 128431, 385293, 899017, 1155879, 2697051, 6293119, 8091153, 18879357, 56638071]

約数ペア:

[(1, 56638071), (3, 18879357), (7, 8091153), (9, 6293119), (21, 2697051), (49, 1155879), (63, 899017), (147, 385293), (441, 128431)]