81642041

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:381

約数の個数: 24

約数和(自身を含む): 94722264

約数和(自身を除く): 13080223

約数列:

[1, 13, 17, 157, 169, 181, 221, 2041, 2353, 2669, 2873, 3077, 26533, 28417, 30589, 34697, 40001, 369421, 451061, 483089, 520013, 4802473, 6280157, 81642041]

約数ペア:

[(1, 81642041), (13, 6280157), (17, 4802473), (157, 520013), (169, 483089), (181, 451061), (221, 369421), (2041, 40001), (2353, 34697), (2669, 30589), (2873, 28417), (3077, 26533)]