22081491

素因数分解:

$3^4\times {\mathrm{131}}^1\times {\mathrm{2081}}^1$

素因数の和:2224

約数の個数: 20

約数和(自身を含む): 33253704

約数和(自身を除く): 11172213

約数列:

[1, 3, 9, 27, 81, 131, 393, 1179, 2081, 3537, 6243, 10611, 18729, 56187, 168561, 272611, 817833, 2453499, 7360497, 22081491]

約数ペア:

[(1, 22081491), (3, 7360497), (9, 2453499), (27, 817833), (81, 272611), (131, 168561), (393, 56187), (1179, 18729), (2081, 10611), (3537, 6243)]