78618357

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{193}}^1$

素因数の和:359

約数の個数: 40

約数和(自身を含む): 121689216

約数和(自身を除く): 43070859

約数列:

[1, 3, 9, 27, 47, 81, 107, 141, 193, 321, 423, 579, 963, 1269, 1737, 2889, 3807, 5029, 5211, 8667, 9071, 15087, 15633, 20651, 27213, 45261, 61953, 81639, 135783, 185859, 244917, 407349, 557577, 734751, 970597, 1672731, 2911791, 8735373, 26206119, 78618357]

約数ペア:

[(1, 78618357), (3, 26206119), (9, 8735373), (27, 2911791), (47, 1672731), (81, 970597), (107, 734751), (141, 557577), (193, 407349), (321, 244917), (423, 185859), (579, 135783), (963, 81639), (1269, 61953), (1737, 45261), (2889, 27213), (3807, 20651), (5029, 15633), (5211, 15087), (8667, 9071)]