81294265

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{601}}^1\times {\mathrm{2081}}^1$

素因数の和:2700

約数の個数: 16

約数和(自身を含む): 105282576

約数和(自身を除く): 23988311

約数列:

[1, 5, 13, 65, 601, 2081, 3005, 7813, 10405, 27053, 39065, 135265, 1250681, 6253405, 16258853, 81294265]

約数ペア:

[(1, 81294265), (5, 16258853), (13, 6253405), (65, 1250681), (601, 135265), (2081, 39065), (3005, 27053), (7813, 10405)]