81660354

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{2801}}^1$

素因数の和:2962

約数の個数: 32

約数和(自身を含む): 168657984

約数和(自身を除く): 86997630

約数列:

[1, 2, 3, 6, 43, 86, 113, 129, 226, 258, 339, 678, 2801, 4859, 5602, 8403, 9718, 14577, 16806, 29154, 120443, 240886, 316513, 361329, 633026, 722658, 949539, 1899078, 13610059, 27220118, 40830177, 81660354]

約数ペア:

[(1, 81660354), (2, 40830177), (3, 27220118), (6, 13610059), (43, 1899078), (86, 949539), (113, 722658), (129, 633026), (226, 361329), (258, 316513), (339, 240886), (678, 120443), (2801, 29154), (4859, 16806), (5602, 14577), (8403, 9718)]