2801513

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{137}}^1$

素因数の和:185

約数の個数: 18

約数和(自身を含む): 3358782

約数和(自身を除く): 557269

約数列:

[1, 11, 13, 121, 137, 143, 169, 1507, 1573, 1781, 1859, 16577, 19591, 20449, 23153, 215501, 254683, 2801513]

約数ペア:

[(1, 2801513), (11, 254683), (13, 215501), (121, 23153), (137, 20449), (143, 19591), (169, 16577), (1507, 1859), (1573, 1781)]