81702205

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{3119}}^1$

素因数の和:3181

約数の個数: 24

約数和(自身を含む): 109624320

約数和(自身を除く): 27922115

約数列:

[1, 5, 13, 31, 65, 155, 169, 403, 845, 2015, 3119, 5239, 15595, 26195, 40547, 96689, 202735, 483445, 527111, 1256957, 2635555, 6284785, 16340441, 81702205]

約数ペア:

[(1, 81702205), (5, 16340441), (13, 6284785), (31, 2635555), (65, 1256957), (155, 527111), (169, 483445), (403, 202735), (845, 96689), (2015, 40547), (3119, 26195), (5239, 15595)]