12748941

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 32

約数和(自身を含む): 19712000

約数和(自身を除く): 6963059

約数列:

[1, 3, 9, 27, 43, 79, 129, 139, 237, 387, 417, 711, 1161, 1251, 2133, 3397, 3753, 5977, 10191, 10981, 17931, 30573, 32943, 53793, 91719, 98829, 161379, 296487, 472183, 1416549, 4249647, 12748941]

約数ペア:

[(1, 12748941), (3, 4249647), (9, 1416549), (27, 472183), (43, 296487), (79, 161379), (129, 98829), (139, 91719), (237, 53793), (387, 32943), (417, 30573), (711, 17931), (1161, 10981), (1251, 10191), (2133, 5977), (3397, 3753)]