13286571

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:331

約数の個数: 32

約数和(自身を含む): 20072448

約数和(自身を除く): 6785877

約数列:

[1, 3, 17, 23, 47, 51, 69, 141, 241, 391, 723, 799, 1081, 1173, 2397, 3243, 4097, 5543, 11327, 12291, 16629, 18377, 33981, 55131, 94231, 192559, 260521, 282693, 577677, 781563, 4428857, 13286571]

約数ペア:

[(1, 13286571), (3, 4428857), (17, 781563), (23, 577677), (47, 282693), (51, 260521), (69, 192559), (141, 94231), (241, 55131), (391, 33981), (723, 18377), (799, 16629), (1081, 12291), (1173, 11327), (2397, 5543), (3243, 4097)]