66381231

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23767}}^1$

素因数の和:23803

約数の個数: 24

約数和(自身を含む): 108382080

約数和(自身を除く): 42000849

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 23767, 71301, 166369, 451573, 499107, 1164583, 1354719, 3161011, 3493749, 9483033, 22127077, 66381231]

約数ペア:

[(1, 66381231), (3, 22127077), (7, 9483033), (19, 3493749), (21, 3161011), (49, 1354719), (57, 1164583), (133, 499107), (147, 451573), (399, 166369), (931, 71301), (2793, 23767)]