81551795

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1\times {\mathrm{937}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 107112096

約数和(自身を除く): 25560301

約数列:

[1, 5, 13, 65, 103, 169, 515, 845, 937, 1339, 4685, 6695, 12181, 17407, 60905, 87035, 96511, 158353, 482555, 791765, 1254643, 6273215, 16310359, 81551795]

約数ペア:

[(1, 81551795), (5, 16310359), (13, 6273215), (65, 1254643), (103, 791765), (169, 482555), (515, 158353), (845, 96511), (937, 87035), (1339, 60905), (4685, 17407), (6695, 12181)]