491877

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 24

約数和(自身を含む): 768768

約数和(自身を除く): 276891

約数列:

[1, 3, 9, 31, 41, 43, 93, 123, 129, 279, 369, 387, 1271, 1333, 1763, 3813, 3999, 5289, 11439, 11997, 15867, 54653, 163959, 491877]

約数ペア:

[(1, 491877), (3, 163959), (9, 54653), (31, 15867), (41, 11997), (43, 11439), (93, 5289), (123, 3999), (129, 3813), (279, 1763), (369, 1333), (387, 1271)]