84028905

素因数分解:

$3^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{20981}}^1$

素因数の和:21081

約数の個数: 24

約数和(自身を含む): 147293640

約数和(自身を除く): 63264735

約数列:

[1, 3, 5, 9, 15, 45, 89, 267, 445, 801, 1335, 4005, 20981, 62943, 104905, 188829, 314715, 944145, 1867309, 5601927, 9336545, 16805781, 28009635, 84028905]

約数ペア:

[(1, 84028905), (3, 28009635), (5, 16805781), (9, 9336545), (15, 5601927), (45, 1867309), (89, 944145), (267, 314715), (445, 188829), (801, 104905), (1335, 62943), (4005, 20981)]