28104135

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{3181}}^1$

素因数の和:3239

約数の個数: 32

約数和(自身を含む): 48875520

約数和(自身を除く): 20771385

約数列:

[1, 3, 5, 15, 19, 31, 57, 93, 95, 155, 285, 465, 589, 1767, 2945, 3181, 8835, 9543, 15905, 47715, 60439, 98611, 181317, 295833, 302195, 493055, 906585, 1479165, 1873609, 5620827, 9368045, 28104135]

約数ペア:

[(1, 28104135), (3, 9368045), (5, 5620827), (15, 1873609), (19, 1479165), (31, 906585), (57, 493055), (93, 302195), (95, 295833), (155, 181317), (285, 98611), (465, 60439), (589, 47715), (1767, 15905), (2945, 9543), (3181, 8835)]