28701621

素因数分解:

$3^4\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{281}}^1$

素因数の和:403

約数の個数: 40

約数和(自身を含む): 46815384

約数和(自身を除く): 18113763

約数列:

[1, 3, 9, 13, 27, 39, 81, 97, 117, 281, 291, 351, 843, 873, 1053, 1261, 2529, 2619, 3653, 3783, 7587, 7857, 10959, 11349, 22761, 27257, 32877, 34047, 81771, 98631, 102141, 245313, 295893, 354341, 735939, 1063023, 2207817, 3189069, 9567207, 28701621]

約数ペア:

[(1, 28701621), (3, 9567207), (9, 3189069), (13, 2207817), (27, 1063023), (39, 735939), (81, 354341), (97, 295893), (117, 245313), (281, 102141), (291, 98631), (351, 81771), (843, 34047), (873, 32877), (1053, 27257), (1261, 22761), (2529, 11349), (2619, 10959), (3653, 7857), (3783, 7587)]