2802267

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{557}}^1$

素因数の和:619

約数の個数: 24

約数和(自身を含む): 4468464

約数和(自身を除く): 1666197

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 557, 559, 1671, 1677, 5013, 5031, 7241, 21723, 23951, 65169, 71853, 215559, 311363, 934089, 2802267]

約数ペア:

[(1, 2802267), (3, 934089), (9, 311363), (13, 215559), (39, 71853), (43, 65169), (117, 23951), (129, 21723), (387, 7241), (557, 5031), (559, 5013), (1671, 1677)]