2801409

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:784

約数の個数: 16

約数和(自身を含む): 4065600

約数和(自身を除く): 1264191

約数列:

[1, 3, 13, 39, 109, 327, 659, 1417, 1977, 4251, 8567, 25701, 71831, 215493, 933803, 2801409]

約数ペア:

[(1, 2801409), (3, 933803), (13, 215493), (39, 71831), (109, 25701), (327, 8567), (659, 4251), (1417, 1977)]