2809911

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 16

約数和(自身を含む): 4077920

約数和(自身を除く): 1268009

約数列:

[1, 3, 13, 39, 109, 327, 661, 1417, 1983, 4251, 8593, 25779, 72049, 216147, 936637, 2809911]

約数ペア:

[(1, 2809911), (3, 936637), (13, 216147), (39, 72049), (109, 25779), (327, 8593), (661, 4251), (1417, 1983)]