990495

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:77

約数の個数: 64

約数和(自身を含む): 2073600

約数和(自身を除く): 1083105

約数列:

[1, 3, 5, 9, 11, 15, 23, 27, 29, 33, 45, 55, 69, 87, 99, 115, 135, 145, 165, 207, 253, 261, 297, 319, 345, 435, 495, 621, 667, 759, 783, 957, 1035, 1265, 1305, 1485, 1595, 2001, 2277, 2871, 3105, 3335, 3795, 3915, 4785, 6003, 6831, 7337, 8613, 10005, 11385, 14355, 18009, 22011, 30015, 34155, 36685, 43065, 66033, 90045, 110055, 198099, 330165, 990495]

約数ペア:

[(1, 990495), (3, 330165), (5, 198099), (9, 110055), (11, 90045), (15, 66033), (23, 43065), (27, 36685), (29, 34155), (33, 30015), (45, 22011), (55, 18009), (69, 14355), (87, 11385), (99, 10005), (115, 8613), (135, 7337), (145, 6831), (165, 6003), (207, 4785), (253, 3915), (261, 3795), (297, 3335), (319, 3105), (345, 2871), (435, 2277), (495, 2001), (621, 1595), (667, 1485), (759, 1305), (783, 1265), (957, 1035)]