28220445

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1213}}^1$

素因数の和:1282

約数の個数: 48

約数和(自身を含む): 54542592

約数和(自身を除く): 26322147

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 47, 55, 99, 141, 165, 235, 423, 495, 517, 705, 1213, 1551, 2115, 2585, 3639, 4653, 6065, 7755, 10917, 13343, 18195, 23265, 40029, 54585, 57011, 66715, 120087, 171033, 200145, 285055, 513099, 600435, 627121, 855165, 1881363, 2565495, 3135605, 5644089, 9406815, 28220445]

約数ペア:

[(1, 28220445), (3, 9406815), (5, 5644089), (9, 3135605), (11, 2565495), (15, 1881363), (33, 855165), (45, 627121), (47, 600435), (55, 513099), (99, 285055), (141, 200145), (165, 171033), (235, 120087), (423, 66715), (495, 57011), (517, 54585), (705, 40029), (1213, 23265), (1551, 18195), (2115, 13343), (2585, 10917), (3639, 7755), (4653, 6065)]