1355481

素因数分解:

$3^3\times {\mathrm{61}}^1\times {\mathrm{823}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 2043520

約数和(自身を除く): 688039

約数列:

[1, 3, 9, 27, 61, 183, 549, 823, 1647, 2469, 7407, 22221, 50203, 150609, 451827, 1355481]

約数ペア:

[(1, 1355481), (3, 451827), (9, 150609), (27, 50203), (61, 22221), (183, 7407), (549, 2469), (823, 1647)]