25401555

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 46126080

約数和(自身を除く): 20724525

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 131, 139, 155, 279, 393, 417, 465, 655, 695, 1179, 1251, 1395, 1965, 2085, 4061, 4309, 5895, 6255, 12183, 12927, 18209, 20305, 21545, 36549, 38781, 54627, 60915, 64635, 91045, 163881, 182745, 193905, 273135, 564479, 819405, 1693437, 2822395, 5080311, 8467185, 25401555]

約数ペア:

[(1, 25401555), (3, 8467185), (5, 5080311), (9, 2822395), (15, 1693437), (31, 819405), (45, 564479), (93, 273135), (131, 193905), (139, 182745), (155, 163881), (279, 91045), (393, 64635), (417, 60915), (465, 54627), (655, 38781), (695, 36549), (1179, 21545), (1251, 20305), (1395, 18209), (1965, 12927), (2085, 12183), (4061, 6255), (4309, 5895)]