991035

素因数分解:

$3^4\times 5^1\times {\mathrm{2447}}^1$

素因数の和:2464

約数の個数: 20

約数和(自身を含む): 1777248

約数和(自身を除く): 786213

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 2447, 7341, 12235, 22023, 36705, 66069, 110115, 198207, 330345, 991035]

約数ペア:

[(1, 991035), (3, 330345), (5, 198207), (9, 110115), (15, 66069), (27, 36705), (45, 22023), (81, 12235), (135, 7341), (405, 2447)]