139385883

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{4957}}^1$

素因数の和:5083

約数の個数: 32

約数和(自身を含む): 231003136

約数和(自身を除く): 91617253

約数列:

[1, 3, 7, 13, 21, 39, 91, 103, 273, 309, 721, 1339, 2163, 4017, 4957, 9373, 14871, 28119, 34699, 64441, 104097, 193323, 451087, 510571, 1353261, 1531713, 3573997, 6637423, 10721991, 19912269, 46461961, 139385883]

約数ペア:

[(1, 139385883), (3, 46461961), (7, 19912269), (13, 10721991), (21, 6637423), (39, 3573997), (91, 1531713), (103, 1353261), (273, 510571), (309, 451087), (721, 193323), (1339, 104097), (2163, 64441), (4017, 34699), (4957, 28119), (9373, 14871)]