91991911

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{2671}}^1$

素因数の和:2814

約数の個数: 16

約数和(自身を含む): 104656896

約数和(自身を除く): 12664985

約数列:

[1, 11, 31, 101, 341, 1111, 2671, 3131, 29381, 34441, 82801, 269771, 910811, 2967481, 8362901, 91991911]

約数ペア:

[(1, 91991911), (11, 8362901), (31, 2967481), (101, 910811), (341, 269771), (1111, 82801), (2671, 34441), (3131, 29381)]