56689521

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{20297}}^1$

素因数の和:20333

約数の個数: 24

約数和(自身を含む): 92558880

約数和(自身を除く): 35869359

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 20297, 60891, 142079, 385643, 426237, 994553, 1156929, 2699501, 2983659, 8098503, 18896507, 56689521]

約数ペア:

[(1, 56689521), (3, 18896507), (7, 8098503), (19, 2983659), (21, 2699501), (49, 1156929), (57, 994553), (133, 426237), (147, 385643), (399, 142079), (931, 60891), (2793, 20297)]