80234145

素因数分解:

$3^4\times 5^1\times {\mathrm{198109}}^1$

素因数の和:198126

約数の個数: 20

約数和(自身を含む): 143827860

約数和(自身を除く): 63593715

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 198109, 594327, 990545, 1782981, 2971635, 5348943, 8914905, 16046829, 26744715, 80234145]

約数ペア:

[(1, 80234145), (3, 26744715), (5, 16046829), (9, 8914905), (15, 5348943), (27, 2971635), (45, 1782981), (81, 990545), (135, 594327), (405, 198109)]