2218509

素因数分解:

$3^4\times {\mathrm{61}}^1\times {\mathrm{449}}^1$

素因数の和:522

約数の個数: 20

約数和(自身を含む): 3375900

約数和(自身を除く): 1157391

約数列:

[1, 3, 9, 27, 61, 81, 183, 449, 549, 1347, 1647, 4041, 4941, 12123, 27389, 36369, 82167, 246501, 739503, 2218509]

約数ペア:

[(1, 2218509), (3, 739503), (9, 246501), (27, 82167), (61, 36369), (81, 27389), (183, 12123), (449, 4941), (549, 4041), (1347, 1647)]