129913749

素因数分解:

$3^2\times 7^2\times {\mathrm{97}}^1\times {\mathrm{3037}}^1$

素因数の和:3154

約数の個数: 36

約数和(自身を含む): 220613484

約数和(自身を除く): 90699735

約数列:

[1, 3, 7, 9, 21, 49, 63, 97, 147, 291, 441, 679, 873, 2037, 3037, 4753, 6111, 9111, 14259, 21259, 27333, 42777, 63777, 148813, 191331, 294589, 446439, 883767, 1339317, 2062123, 2651301, 6186369, 14434861, 18559107, 43304583, 129913749]

約数ペア:

[(1, 129913749), (3, 43304583), (7, 18559107), (9, 14434861), (21, 6186369), (49, 2651301), (63, 2062123), (97, 1339317), (147, 883767), (291, 446439), (441, 294589), (679, 191331), (873, 148813), (2037, 63777), (3037, 42777), (4753, 27333), (6111, 21259), (9111, 14259)]