90801405

素因数分解:

$3^4\times 5^1\times {\mathrm{224201}}^1$

素因数の和:224218

約数の個数: 20

約数和(自身を含む): 162770652

約数和(自身を除く): 71969247

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 224201, 672603, 1121005, 2017809, 3363015, 6053427, 10089045, 18160281, 30267135, 90801405]

約数ペア:

[(1, 90801405), (3, 30267135), (5, 18160281), (9, 10089045), (15, 6053427), (27, 3363015), (45, 2017809), (81, 1121005), (135, 672603), (405, 224201)]