81105165

素因数分解:

$3^3\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1637}}^1$

素因数の和:2018

約数の個数: 32

約数和(自身を含む): 144668160

約数和(自身を除く): 63562995

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 367, 1101, 1637, 1835, 3303, 4911, 5505, 8185, 9909, 14733, 16515, 24555, 44199, 49545, 73665, 220995, 600779, 1802337, 3003895, 5407011, 9011685, 16221033, 27035055, 81105165]

約数ペア:

[(1, 81105165), (3, 27035055), (5, 16221033), (9, 9011685), (15, 5407011), (27, 3003895), (45, 1802337), (135, 600779), (367, 220995), (1101, 73665), (1637, 49545), (1835, 44199), (3303, 24555), (4911, 16515), (5505, 14733), (8185, 9909)]