81235515

素因数分解:

$3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{29921}}^1$

素因数の和:30110

約数の個数: 16

約数和(自身を含む): 130699296

約数和(自身を除く): 49463781

約数列:

[1, 3, 5, 15, 181, 543, 905, 2715, 29921, 89763, 149605, 448815, 5415701, 16247103, 27078505, 81235515]

約数ペア:

[(1, 81235515), (3, 27078505), (5, 16247103), (15, 5415701), (181, 448815), (543, 149605), (905, 89763), (2715, 29921)]