12898587

素因数分解:

$3^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 32

約数和(自身を含む): 19801600

約数和(自身を除く): 6903013

約数列:

[1, 3, 13, 19, 39, 57, 103, 169, 247, 309, 507, 741, 1339, 1957, 2197, 3211, 4017, 5871, 6591, 9633, 17407, 25441, 41743, 52221, 76323, 125229, 226291, 330733, 678873, 992199, 4299529, 12898587]

約数ペア:

[(1, 12898587), (3, 4299529), (13, 992199), (19, 678873), (39, 330733), (57, 226291), (103, 125229), (169, 76323), (247, 52221), (309, 41743), (507, 25441), (741, 17407), (1339, 9633), (1957, 6591), (2197, 5871), (3211, 4017)]