13261689

素因数分解:

$3^2\times 7^1\times {\mathrm{181}}^1\times {\mathrm{1163}}^1$

素因数の和:1357

約数の個数: 24

約数和(自身を含む): 22032192

約数和(自身を除く): 8770503

約数列:

[1, 3, 7, 9, 21, 63, 181, 543, 1163, 1267, 1629, 3489, 3801, 8141, 10467, 11403, 24423, 73269, 210503, 631509, 1473521, 1894527, 4420563, 13261689]

約数ペア:

[(1, 13261689), (3, 4420563), (7, 1894527), (9, 1473521), (21, 631509), (63, 210503), (181, 73269), (543, 24423), (1163, 11403), (1267, 10467), (1629, 8141), (3489, 3801)]