720522057

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{107}}^1\times {\mathrm{1187}}^1$

素因数の和:1389

約数の個数: 32

約数和(自身を含む): 1018220544

約数和(自身を除く): 297698487

約数列:

[1, 3, 31, 61, 93, 107, 183, 321, 1187, 1891, 3317, 3561, 5673, 6527, 9951, 19581, 36797, 72407, 110391, 127009, 202337, 217221, 381027, 607011, 2244617, 3937279, 6733851, 7747549, 11811837, 23242647, 240174019, 720522057]

約数ペア:

[(1, 720522057), (3, 240174019), (31, 23242647), (61, 11811837), (93, 7747549), (107, 6733851), (183, 3937279), (321, 2244617), (1187, 607011), (1891, 381027), (3317, 217221), (3561, 202337), (5673, 127009), (6527, 110391), (9951, 72407), (19581, 36797)]