202220145

素因数分解:

$3^4\times 5^1\times {\mathrm{499309}}^1$

素因数の和:499326

約数の個数: 20

約数和(自身を含む): 362499060

約数和(自身を除く): 160278915

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 499309, 1497927, 2496545, 4493781, 7489635, 13481343, 22468905, 40444029, 67406715, 202220145]

約数ペア:

[(1, 202220145), (3, 67406715), (5, 40444029), (9, 22468905), (15, 13481343), (27, 7489635), (45, 4493781), (81, 2496545), (135, 1497927), (405, 499309)]