388624905

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2663}}^1$

素因数の和:2747

約数の個数: 64

約数和(自身を含む): 736542720

約数和(自身を除く): 347917815

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 47, 69, 115, 135, 141, 207, 235, 345, 423, 621, 705, 1035, 1081, 1269, 2115, 2663, 3105, 3243, 5405, 6345, 7989, 9729, 13315, 16215, 23967, 29187, 39945, 48645, 61249, 71901, 119835, 125161, 145935, 183747, 306245, 359505, 375483, 551241, 625805, 918735, 1126449, 1653723, 1877415, 2756205, 2878703, 3379347, 5632245, 8268615, 8636109, 14393515, 16896735, 25908327, 43180545, 77724981, 129541635, 388624905]

約数ペア:

[(1, 388624905), (3, 129541635), (5, 77724981), (9, 43180545), (15, 25908327), (23, 16896735), (27, 14393515), (45, 8636109), (47, 8268615), (69, 5632245), (115, 3379347), (135, 2878703), (141, 2756205), (207, 1877415), (235, 1653723), (345, 1126449), (423, 918735), (621, 625805), (705, 551241), (1035, 375483), (1081, 359505), (1269, 306245), (2115, 183747), (2663, 145935), (3105, 125161), (3243, 119835), (5405, 71901), (6345, 61249), (7989, 48645), (9729, 39945), (13315, 29187), (16215, 23967)]