78848217

素因数分解:

$3^2\times 7^1\times {\mathrm{491}}^1\times {\mathrm{2549}}^1$

素因数の和:3053

約数の個数: 24

約数和(自身を含む): 130478400

約数和(自身を除く): 51630183

約数列:

[1, 3, 7, 9, 21, 63, 491, 1473, 2549, 3437, 4419, 7647, 10311, 17843, 22941, 30933, 53529, 160587, 1251559, 3754677, 8760913, 11264031, 26282739, 78848217]

約数ペア:

[(1, 78848217), (3, 26282739), (7, 11264031), (9, 8760913), (21, 3754677), (63, 1251559), (491, 160587), (1473, 53529), (2549, 30933), (3437, 22941), (4419, 17843), (7647, 10311)]