8991405

素因数分解:

$3^4\times 5^1\times {\mathrm{149}}^2$

素因数の和:315

約数の個数: 30

約数和(自身を含む): 16226826

約数和(自身を除く): 7235421

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 149, 405, 447, 745, 1341, 2235, 4023, 6705, 12069, 20115, 22201, 60345, 66603, 111005, 199809, 333015, 599427, 999045, 1798281, 2997135, 8991405]

約数ペア:

[(1, 8991405), (3, 2997135), (5, 1798281), (9, 999045), (15, 599427), (27, 333015), (45, 199809), (81, 111005), (135, 66603), (149, 60345), (405, 22201), (447, 20115), (745, 12069), (1341, 6705), (2235, 4023)]