13979259

素因数分解:

$3^2\times 7^2\times {\mathrm{31699}}^1$

素因数の和:31719

約数の個数: 18

約数和(自身を含む): 23489700

約数和(自身を除く): 9510441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 31699, 95097, 221893, 285291, 665679, 1553251, 1997037, 4659753, 13979259]

約数ペア:

[(1, 13979259), (3, 4659753), (7, 1997037), (9, 1553251), (21, 665679), (49, 285291), (63, 221893), (147, 95097), (441, 31699)]