2556309

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2969}}^1$

素因数の和:3020

約数の個数: 16

約数和(自身を含む): 3991680

約数和(自身を除く): 1435371

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 2969, 8907, 20783, 62349, 121729, 365187, 852103, 2556309]

約数ペア:

[(1, 2556309), (3, 852103), (7, 365187), (21, 121729), (41, 62349), (123, 20783), (287, 8907), (861, 2969)]