201021705

素因数分解:

$3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{18691}}^1$

素因数の和:18941

約数の個数: 24

約数和(自身を含む): 349914240

約数和(自身を除く): 148892535

約数列:

[1, 3, 5, 9, 15, 45, 239, 717, 1195, 2151, 3585, 10755, 18691, 56073, 93455, 168219, 280365, 841095, 4467149, 13401447, 22335745, 40204341, 67007235, 201021705]

約数ペア:

[(1, 201021705), (3, 67007235), (5, 40204341), (9, 22335745), (15, 13401447), (45, 4467149), (239, 841095), (717, 280365), (1195, 168219), (2151, 93455), (3585, 56073), (10755, 18691)]