204513813

素因数分解:

$3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{31517}}^1$

素因数の和:31633

約数の個数: 24

約数和(自身を含む): 340898688

約数和(自身を除く): 136384875

約数列:

[1, 3, 7, 9, 21, 63, 103, 309, 721, 927, 2163, 6489, 31517, 94551, 220619, 283653, 661857, 1985571, 3246251, 9738753, 22723757, 29216259, 68171271, 204513813]

約数ペア:

[(1, 204513813), (3, 68171271), (7, 29216259), (9, 22723757), (21, 9738753), (63, 3246251), (103, 1985571), (309, 661857), (721, 283653), (927, 220619), (2163, 94551), (6489, 31517)]