247627821

素因数分解:

$3^1\times 7^3\times {\mathrm{23}}^1\times {\mathrm{10463}}^1$

素因数の和:10510

約数の個数: 32

約数和(自身を含む): 401817600

約数和(自身を除く): 154189779

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 343, 483, 1029, 1127, 3381, 7889, 10463, 23667, 31389, 73241, 219723, 240649, 512687, 721947, 1538061, 1684543, 3588809, 5053629, 10766427, 11791801, 35375403, 82542607, 247627821]

約数ペア:

[(1, 247627821), (3, 82542607), (7, 35375403), (21, 11791801), (23, 10766427), (49, 5053629), (69, 3588809), (147, 1684543), (161, 1538061), (343, 721947), (483, 512687), (1029, 240649), (1127, 219723), (3381, 73241), (7889, 31389), (10463, 23667)]