18099207

素因数分解:

$3^4\times 7^1\times {\mathrm{137}}^1\times {\mathrm{233}}^1$

素因数の和:389

約数の個数: 40

約数和(自身を含む): 31258656

約数和(自身を除く): 13159449

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 137, 189, 233, 411, 567, 699, 959, 1233, 1631, 2097, 2877, 3699, 4893, 6291, 8631, 11097, 14679, 18873, 25893, 31921, 44037, 77679, 95763, 132111, 223447, 287289, 670341, 861867, 2011023, 2585601, 6033069, 18099207]

約数ペア:

[(1, 18099207), (3, 6033069), (7, 2585601), (9, 2011023), (21, 861867), (27, 670341), (63, 287289), (81, 223447), (137, 132111), (189, 95763), (233, 77679), (411, 44037), (567, 31921), (699, 25893), (959, 18873), (1233, 14679), (1631, 11097), (2097, 8631), (2877, 6291), (3699, 4893)]