28017801

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{10847}}^1$

素因数の和:10901

約数の個数: 24

約数和(自身を含む): 47384064

約数和(自身を除く): 19366263

約数列:

[1, 3, 7, 9, 21, 41, 63, 123, 287, 369, 861, 2583, 10847, 32541, 75929, 97623, 227787, 444727, 683361, 1334181, 3113089, 4002543, 9339267, 28017801]

約数ペア:

[(1, 28017801), (3, 9339267), (7, 4002543), (9, 3113089), (21, 1334181), (41, 683361), (63, 444727), (123, 227787), (287, 97623), (369, 75929), (861, 32541), (2583, 10847)]