56978271

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53201}}^1$

素因数の和:53231

約数の個数: 24

約数和(自身を含む): 99594144

約数和(自身を除く): 42615873

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 53201, 159603, 372407, 478809, 904417, 1117221, 2713251, 3351663, 6330919, 8139753, 18992757, 56978271]

約数ペア:

[(1, 56978271), (3, 18992757), (7, 8139753), (9, 6330919), (17, 3351663), (21, 2713251), (51, 1117221), (63, 904417), (119, 478809), (153, 372407), (357, 159603), (1071, 53201)]