38637963

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{191}}^1$

素因数の和:249

約数の個数: 72

約数和(自身を含む): 73082880

約数和(自身を除く): 34444917

約数列:

[1, 3, 7, 9, 13, 19, 21, 39, 57, 63, 91, 117, 133, 169, 171, 191, 247, 273, 399, 507, 573, 741, 819, 1183, 1197, 1337, 1521, 1719, 1729, 2223, 2483, 3211, 3549, 3629, 4011, 5187, 7449, 9633, 10647, 10887, 12033, 15561, 17381, 22347, 22477, 25403, 28899, 32279, 32661, 47177, 52143, 67431, 76209, 96837, 141531, 156429, 202293, 225953, 228627, 290511, 330239, 424593, 613301, 677859, 990717, 1839903, 2033577, 2972151, 4293107, 5519709, 12879321, 38637963]

約数ペア:

[(1, 38637963), (3, 12879321), (7, 5519709), (9, 4293107), (13, 2972151), (19, 2033577), (21, 1839903), (39, 990717), (57, 677859), (63, 613301), (91, 424593), (117, 330239), (133, 290511), (169, 228627), (171, 225953), (191, 202293), (247, 156429), (273, 141531), (399, 96837), (507, 76209), (573, 67431), (741, 52143), (819, 47177), (1183, 32661), (1197, 32279), (1337, 28899), (1521, 25403), (1719, 22477), (1729, 22347), (2223, 17381), (2483, 15561), (3211, 12033), (3549, 10887), (3629, 10647), (4011, 9633), (5187, 7449)]