505188675

素因数分解:

$3^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{2381}}^1$

素因数の和:2461

約数の個数: 72

約数和(自身を含む): 967625568

約数和(自身を除く): 462436893

約数列:

[1, 3, 5, 9, 15, 23, 25, 41, 45, 69, 75, 115, 123, 205, 207, 225, 345, 369, 575, 615, 943, 1025, 1035, 1725, 1845, 2381, 2829, 3075, 4715, 5175, 7143, 8487, 9225, 11905, 14145, 21429, 23575, 35715, 42435, 54763, 59525, 70725, 97621, 107145, 164289, 178575, 212175, 273815, 292863, 488105, 492867, 535725, 821445, 878589, 1369075, 1464315, 2245283, 2440525, 2464335, 4107225, 4392945, 6735849, 7321575, 11226415, 12321675, 20207547, 21964725, 33679245, 56132075, 101037735, 168396225, 505188675]

約数ペア:

[(1, 505188675), (3, 168396225), (5, 101037735), (9, 56132075), (15, 33679245), (23, 21964725), (25, 20207547), (41, 12321675), (45, 11226415), (69, 7321575), (75, 6735849), (115, 4392945), (123, 4107225), (205, 2464335), (207, 2440525), (225, 2245283), (345, 1464315), (369, 1369075), (575, 878589), (615, 821445), (943, 535725), (1025, 492867), (1035, 488105), (1725, 292863), (1845, 273815), (2381, 212175), (2829, 178575), (3075, 164289), (4715, 107145), (5175, 97621), (7143, 70725), (8487, 59525), (9225, 54763), (11905, 42435), (14145, 35715), (21429, 23575)]