81112895

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{4801}}^1$

素因数の和:4946

約数の個数: 16

約数和(自身を含む): 101418240

約数和(自身を除く): 20305345

約数列:

[1, 5, 31, 109, 155, 545, 3379, 4801, 16895, 24005, 148831, 523309, 744155, 2616545, 16222579, 81112895]

約数ペア:

[(1, 81112895), (5, 16222579), (31, 2616545), (109, 744155), (155, 523309), (545, 148831), (3379, 24005), (4801, 16895)]