61181991

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12161}}^1$

素因数の和:12223

約数の個数: 24

約数和(自身を含む): 97393296

約数和(自身を除く): 36211305

約数列:

[1, 3, 9, 13, 39, 43, 117, 129, 387, 559, 1677, 5031, 12161, 36483, 109449, 158093, 474279, 522923, 1422837, 1568769, 4706307, 6797999, 20393997, 61181991]

約数ペア:

[(1, 61181991), (3, 20393997), (9, 6797999), (13, 4706307), (39, 1568769), (43, 1422837), (117, 522923), (129, 474279), (387, 158093), (559, 109449), (1677, 36483), (5031, 12161)]