1550913

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 48

約数和(自身を含む): 2810880

約数和(自身を除く): 1259967

約数列:

[1, 3, 7, 13, 19, 21, 23, 39, 57, 69, 91, 133, 161, 169, 247, 273, 299, 399, 437, 483, 507, 741, 897, 1183, 1311, 1729, 2093, 3059, 3211, 3549, 3887, 5187, 5681, 6279, 9177, 9633, 11661, 17043, 22477, 27209, 39767, 67431, 73853, 81627, 119301, 221559, 516971, 1550913]

約数ペア:

[(1, 1550913), (3, 516971), (7, 221559), (13, 119301), (19, 81627), (21, 73853), (23, 67431), (39, 39767), (57, 27209), (69, 22477), (91, 17043), (133, 11661), (161, 9633), (169, 9177), (247, 6279), (273, 5681), (299, 5187), (399, 3887), (437, 3549), (483, 3211), (507, 3059), (741, 2093), (897, 1729), (1183, 1311)]