990855

素因数分解:

$3^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{227}}^1$

素因数の和:335

約数の個数: 24

約数和(自身を含む): 1742832

約数和(自身を除く): 751977

約数列:

[1, 3, 5, 9, 15, 45, 97, 227, 291, 485, 681, 873, 1135, 1455, 2043, 3405, 4365, 10215, 22019, 66057, 110095, 198171, 330285, 990855]

約数ペア:

[(1, 990855), (3, 330285), (5, 198171), (9, 110095), (15, 66057), (45, 22019), (97, 10215), (227, 4365), (291, 3405), (485, 2043), (681, 1455), (873, 1135)]