30257829

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{15493}}^1$

素因数の和:15537

約数の個数: 24

約数和(自身を含む): 51564032

約数和(自身を除く): 21306203

約数列:

[1, 3, 7, 9, 21, 31, 63, 93, 217, 279, 651, 1953, 15493, 46479, 108451, 139437, 325353, 480283, 976059, 1440849, 3361981, 4322547, 10085943, 30257829]

約数ペア:

[(1, 30257829), (3, 10085943), (7, 4322547), (9, 3361981), (21, 1440849), (31, 976059), (63, 480283), (93, 325353), (217, 139437), (279, 108451), (651, 46479), (1953, 15493)]