2881879

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2879}}^1$

素因数の和:2910

約数の個数: 16

約数和(自身を含む): 3870720

約数和(自身を除く): 988841

約数列:

[1, 7, 11, 13, 77, 91, 143, 1001, 2879, 20153, 31669, 37427, 221683, 261989, 411697, 2881879]

約数ペア:

[(1, 2881879), (7, 411697), (11, 261989), (13, 221683), (77, 37427), (91, 31669), (143, 20153), (1001, 2879)]