81501329

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{3911}}^1$

素因数の和:4160

約数の個数: 16

約数和(自身を含む): 100773120

約数和(自身を除く): 19271791

約数列:

[1, 7, 13, 91, 229, 1603, 2977, 3911, 20839, 27377, 50843, 355901, 895619, 6269333, 11643047, 81501329]

約数ペア:

[(1, 81501329), (7, 11643047), (13, 6269333), (91, 895619), (229, 355901), (1603, 50843), (2977, 27377), (3911, 20839)]