61985721

素因数分解:

$3^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{9491}}^1$

素因数の和:9812

約数の個数: 16

約数和(自身を含む): 94768128

約数和(自身を除く): 32782407

約数列:

[1, 3, 7, 21, 311, 933, 2177, 6531, 9491, 28473, 66437, 199311, 2951701, 8855103, 20661907, 61985721]

約数ペア:

[(1, 61985721), (3, 20661907), (7, 8855103), (21, 2951701), (311, 199311), (933, 66437), (2177, 28473), (6531, 9491)]