26351991

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{149}}^1\times {\mathrm{457}}^1$

素因数の和:655

約数の個数: 24

約数和(自身を含む): 39296400

約数和(自身を除く): 12944409

約数列:

[1, 3, 9, 43, 129, 149, 387, 447, 457, 1341, 1371, 4113, 6407, 19221, 19651, 57663, 58953, 68093, 176859, 204279, 612837, 2927999, 8783997, 26351991]

約数ペア:

[(1, 26351991), (3, 8783997), (9, 2927999), (43, 612837), (129, 204279), (149, 176859), (387, 68093), (447, 58953), (457, 57663), (1341, 19651), (1371, 19221), (4113, 6407)]