28395657

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 43666560

約数和(自身を除く): 15270903

約数列:

[1, 3, 9, 27, 41, 113, 123, 227, 339, 369, 681, 1017, 1107, 2043, 3051, 4633, 6129, 9307, 13899, 25651, 27921, 41697, 76953, 83763, 125091, 230859, 251289, 692577, 1051691, 3155073, 9465219, 28395657]

約数ペア:

[(1, 28395657), (3, 9465219), (9, 3155073), (27, 1051691), (41, 692577), (113, 251289), (123, 230859), (227, 125091), (339, 83763), (369, 76953), (681, 41697), (1017, 27921), (1107, 25651), (2043, 13899), (3051, 9307), (4633, 6129)]