81478033

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{3457}}^1$

素因数の和:3521

約数の個数: 24

約数和(自身を含む): 104860392

約数和(自身を除く): 23382359

約数列:

[1, 7, 13, 37, 49, 91, 259, 481, 637, 1813, 3367, 3457, 23569, 24199, 44941, 127909, 169393, 314587, 895363, 1662817, 2202109, 6267541, 11639719, 81478033]

約数ペア:

[(1, 81478033), (7, 11639719), (13, 6267541), (37, 2202109), (49, 1662817), (91, 895363), (259, 314587), (481, 169393), (637, 127909), (1813, 44941), (3367, 24199), (3457, 23569)]