80997931

素因数分解:

$7^2\times {\mathrm{19}}^3\times {\mathrm{241}}^1$

素因数の和:312

約数の個数: 24

約数和(自身を含む): 99868560

約数和(自身を除く): 18870629

約数列:

[1, 7, 19, 49, 133, 241, 361, 931, 1687, 2527, 4579, 6859, 11809, 17689, 32053, 48013, 87001, 224371, 336091, 609007, 1653019, 4263049, 11571133, 80997931]

約数ペア:

[(1, 80997931), (7, 11571133), (19, 4263049), (49, 1653019), (133, 609007), (241, 336091), (361, 224371), (931, 87001), (1687, 48013), (2527, 32053), (4579, 17689), (6859, 11809)]