31821165

素因数分解:

$3^2\times 5^1\times {\mathrm{829}}^1\times {\mathrm{853}}^1$

素因数の和:1693

約数の個数: 24

約数和(自身を含む): 55287960

約数和(自身を除く): 23466795

約数列:

[1, 3, 5, 9, 15, 45, 829, 853, 2487, 2559, 4145, 4265, 7461, 7677, 12435, 12795, 37305, 38385, 707137, 2121411, 3535685, 6364233, 10607055, 31821165]

約数ペア:

[(1, 31821165), (3, 10607055), (5, 6364233), (9, 3535685), (15, 2121411), (45, 707137), (829, 38385), (853, 37305), (2487, 12795), (2559, 12435), (4145, 7677), (4265, 7461)]