18915525

素因数分解:

$3^4\times 5^2\times {\mathrm{9341}}^1$

素因数の和:9363

約数の個数: 30

約数和(自身を含む): 35041842

約数和(自身を除く): 16126317

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 81, 135, 225, 405, 675, 2025, 9341, 28023, 46705, 84069, 140115, 233525, 252207, 420345, 700575, 756621, 1261035, 2101725, 3783105, 6305175, 18915525]

約数ペア:

[(1, 18915525), (3, 6305175), (5, 3783105), (9, 2101725), (15, 1261035), (25, 756621), (27, 700575), (45, 420345), (75, 252207), (81, 233525), (135, 140115), (225, 84069), (405, 46705), (675, 28023), (2025, 9341)]