68172993

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15241}}^1$

素因数の和:15325

約数の個数: 24

約数和(自身を含む): 114132096

約数和(自身を除く): 45959103

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 15241, 45723, 106687, 137169, 320061, 960183, 1082111, 3246333, 7574777, 9738999, 22724331, 68172993]

約数ペア:

[(1, 68172993), (3, 22724331), (7, 9738999), (9, 7574777), (21, 3246333), (63, 1082111), (71, 960183), (213, 320061), (497, 137169), (639, 106687), (1491, 45723), (4473, 15241)]