4378905

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:158

約数の個数: 48

約数和(自身を含む): 8126976

約数和(自身を除く): 3748071

約数列:

[1, 3, 5, 9, 15, 31, 43, 45, 73, 93, 129, 155, 215, 219, 279, 365, 387, 465, 645, 657, 1095, 1333, 1395, 1935, 2263, 3139, 3285, 3999, 6665, 6789, 9417, 11315, 11997, 15695, 19995, 20367, 28251, 33945, 47085, 59985, 97309, 101835, 141255, 291927, 486545, 875781, 1459635, 4378905]

約数ペア:

[(1, 4378905), (3, 1459635), (5, 875781), (9, 486545), (15, 291927), (31, 141255), (43, 101835), (45, 97309), (73, 59985), (93, 47085), (129, 33945), (155, 28251), (215, 20367), (219, 19995), (279, 15695), (365, 11997), (387, 11315), (465, 9417), (645, 6789), (657, 6665), (1095, 3999), (1333, 3285), (1395, 3139), (1935, 2263)]