39581997

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 68866560

約数和(自身を除く): 29284563

約数列:

[1, 3, 7, 13, 19, 21, 39, 57, 91, 133, 169, 247, 273, 399, 507, 587, 741, 1183, 1729, 1761, 3211, 3549, 4109, 5187, 7631, 9633, 11153, 12327, 22477, 22893, 33459, 53417, 67431, 78071, 99203, 144989, 160251, 234213, 297609, 434967, 694421, 1014923, 1884857, 2083263, 3044769, 5654571, 13193999, 39581997]

約数ペア:

[(1, 39581997), (3, 13193999), (7, 5654571), (13, 3044769), (19, 2083263), (21, 1884857), (39, 1014923), (57, 694421), (91, 434967), (133, 297609), (169, 234213), (247, 160251), (273, 144989), (399, 99203), (507, 78071), (587, 67431), (741, 53417), (1183, 33459), (1729, 22893), (1761, 22477), (3211, 12327), (3549, 11153), (4109, 9633), (5187, 7631)]