109690009

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{509}}^1$

素因数の和:681

約数の個数: 24

約数和(自身を含む): 131047560

約数和(自身を除く): 21357551

約数列:

[1, 11, 13, 121, 137, 143, 509, 1507, 1573, 1781, 5599, 6617, 16577, 19591, 61589, 69733, 72787, 215501, 767063, 800657, 906529, 8437693, 9971819, 109690009]

約数ペア:

[(1, 109690009), (11, 9971819), (13, 8437693), (121, 906529), (137, 800657), (143, 767063), (509, 215501), (1507, 72787), (1573, 69733), (1781, 61589), (5599, 19591), (6617, 16577)]