550275

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1$

素因数の和:76

約数の個数: 48

約数和(自身を含む): 1071360

約数和(自身を除く): 521085

約数列:

[1, 3, 5, 11, 15, 23, 25, 29, 33, 55, 69, 75, 87, 115, 145, 165, 253, 275, 319, 345, 435, 575, 667, 725, 759, 825, 957, 1265, 1595, 1725, 2001, 2175, 3335, 3795, 4785, 6325, 7337, 7975, 10005, 16675, 18975, 22011, 23925, 36685, 50025, 110055, 183425, 550275]

約数ペア:

[(1, 550275), (3, 183425), (5, 110055), (11, 50025), (15, 36685), (23, 23925), (25, 22011), (29, 18975), (33, 16675), (55, 10005), (69, 7975), (75, 7337), (87, 6325), (115, 4785), (145, 3795), (165, 3335), (253, 2175), (275, 2001), (319, 1725), (345, 1595), (435, 1265), (575, 957), (667, 825), (725, 759)]