13621239

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{577}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 20498192

約数和(自身を除く): 6876953

約数列:

[1, 3, 9, 43, 61, 129, 183, 387, 549, 577, 1731, 2623, 5193, 7869, 23607, 24811, 35197, 74433, 105591, 223299, 316773, 1513471, 4540413, 13621239]

約数ペア:

[(1, 13621239), (3, 4540413), (9, 1513471), (43, 316773), (61, 223299), (129, 105591), (183, 74433), (387, 35197), (549, 24811), (577, 23607), (1731, 7869), (2623, 5193)]