1290019263

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{241441}}^1$

素因数の和:241594

約数の個数: 16

約数和(自身を含む): 1865863776

約数和(自身を除く): 575844513

約数列:

[1, 3, 13, 39, 137, 411, 1781, 5343, 241441, 724323, 3138733, 9416199, 33077417, 99232251, 430006421, 1290019263]

約数ペア:

[(1, 1290019263), (3, 430006421), (13, 99232251), (39, 33077417), (137, 9416199), (411, 3138733), (1781, 724323), (5343, 241441)]