256699719

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{359}}^1\times {\mathrm{373}}^1$

素因数の和:812

約数の個数: 32

約数和(自身を含む): 387763200

約数和(自身を除く): 131063481

約数列:

[1, 3, 9, 27, 71, 213, 359, 373, 639, 1077, 1119, 1917, 3231, 3357, 9693, 10071, 25489, 26483, 76467, 79449, 133907, 229401, 238347, 401721, 688203, 715041, 1205163, 3615489, 9507397, 28522191, 85566573, 256699719]

約数ペア:

[(1, 256699719), (3, 85566573), (9, 28522191), (27, 9507397), (71, 3615489), (213, 1205163), (359, 715041), (373, 688203), (639, 401721), (1077, 238347), (1119, 229401), (1917, 133907), (3231, 79449), (3357, 76467), (9693, 26483), (10071, 25489)]