7642089

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:107

約数の個数: 72

約数和(自身を含む): 14606592

約数和(自身を除く): 6964503

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 43, 49, 63, 91, 93, 117, 129, 147, 217, 273, 279, 301, 387, 403, 441, 559, 637, 651, 819, 903, 1209, 1333, 1519, 1677, 1911, 1953, 2107, 2709, 2821, 3627, 3913, 3999, 4557, 5031, 5733, 6321, 8463, 9331, 11739, 11997, 13671, 17329, 18963, 19747, 25389, 27391, 27993, 35217, 51987, 59241, 65317, 82173, 83979, 121303, 155961, 177723, 195951, 246519, 363909, 587853, 849121, 1091727, 2547363, 7642089]

約数ペア:

[(1, 7642089), (3, 2547363), (7, 1091727), (9, 849121), (13, 587853), (21, 363909), (31, 246519), (39, 195951), (43, 177723), (49, 155961), (63, 121303), (91, 83979), (93, 82173), (117, 65317), (129, 59241), (147, 51987), (217, 35217), (273, 27993), (279, 27391), (301, 25389), (387, 19747), (403, 18963), (441, 17329), (559, 13671), (637, 11997), (651, 11739), (819, 9331), (903, 8463), (1209, 6321), (1333, 5733), (1519, 5031), (1677, 4557), (1911, 3999), (1953, 3913), (2107, 3627), (2709, 2821)]