1821033

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1$

素因数の和:205

約数の個数: 24

約数和(自身を含む): 2785536

約数和(自身を除く): 964503

約数列:

[1, 3, 9, 31, 61, 93, 107, 183, 279, 321, 549, 963, 1891, 3317, 5673, 6527, 9951, 17019, 19581, 29853, 58743, 202337, 607011, 1821033]

約数ペア:

[(1, 1821033), (3, 607011), (9, 202337), (31, 58743), (61, 29853), (93, 19581), (107, 17019), (183, 9951), (279, 6527), (321, 5673), (549, 3317), (963, 1891)]