81816555

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{89417}}^1$

素因数の和:89486

約数の個数: 16

約数和(自身を含む): 133053984

約数和(自身を除く): 51237429

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 89417, 268251, 447085, 1341255, 5454437, 16363311, 27272185, 81816555]

約数ペア:

[(1, 81816555), (3, 27272185), (5, 16363311), (15, 5454437), (61, 1341255), (183, 447085), (305, 268251), (915, 89417)]