42657849

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 69509440

約数和(自身を除く): 26851591

約数列:

[1, 3, 9, 13, 39, 43, 61, 117, 129, 139, 183, 387, 417, 549, 559, 793, 1251, 1677, 1807, 2379, 2623, 5031, 5421, 5977, 7137, 7869, 8479, 16263, 17931, 23607, 25437, 34099, 53793, 76311, 77701, 102297, 110227, 233103, 306891, 330681, 364597, 699309, 992043, 1093791, 3281373, 4739761, 14219283, 42657849]

約数ペア:

[(1, 42657849), (3, 14219283), (9, 4739761), (13, 3281373), (39, 1093791), (43, 992043), (61, 699309), (117, 364597), (129, 330681), (139, 306891), (183, 233103), (387, 110227), (417, 102297), (549, 77701), (559, 76311), (793, 53793), (1251, 34099), (1677, 25437), (1807, 23607), (2379, 17931), (2623, 16263), (5031, 8479), (5421, 7869), (5977, 7137)]