4001643

素因数分解:

$3^4\times {\mathrm{127}}^1\times {\mathrm{389}}^1$

素因数の和:528

約数の個数: 20

約数和(自身を含む): 6040320

約数和(自身を除く): 2038677

約数列:

[1, 3, 9, 27, 81, 127, 381, 389, 1143, 1167, 3429, 3501, 10287, 10503, 31509, 49403, 148209, 444627, 1333881, 4001643]

約数ペア:

[(1, 4001643), (3, 1333881), (9, 444627), (27, 148209), (81, 49403), (127, 31509), (381, 10503), (389, 10287), (1143, 3501), (1167, 3429)]