71284521

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{13417}}^1$

素因数の和:13461

約数の個数: 32

約数和(自身を含む): 123660288

約数和(自身を除く): 52375767

約数列:

[1, 3, 7, 11, 21, 23, 33, 69, 77, 161, 231, 253, 483, 759, 1771, 5313, 13417, 40251, 93919, 147587, 281757, 308591, 442761, 925773, 1033109, 2160137, 3099327, 3394501, 6480411, 10183503, 23761507, 71284521]

約数ペア:

[(1, 71284521), (3, 23761507), (7, 10183503), (11, 6480411), (21, 3394501), (23, 3099327), (33, 2160137), (69, 1033109), (77, 925773), (161, 442761), (231, 308591), (253, 281757), (483, 147587), (759, 93919), (1771, 40251), (5313, 13417)]