56521575

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 72

約数和(自身を含む): 113336496

約数和(自身を除く): 56814921

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 41, 45, 55, 75, 99, 123, 165, 205, 225, 275, 369, 451, 495, 557, 615, 825, 1025, 1353, 1671, 1845, 2255, 2475, 2785, 3075, 4059, 5013, 6127, 6765, 8355, 9225, 11275, 13925, 18381, 20295, 22837, 25065, 30635, 33825, 41775, 55143, 68511, 91905, 101475, 114185, 125325, 153175, 205533, 251207, 275715, 342555, 459525, 570925, 753621, 1027665, 1256035, 1378575, 1712775, 2260863, 3768105, 5138325, 6280175, 11304315, 18840525, 56521575]

約数ペア:

[(1, 56521575), (3, 18840525), (5, 11304315), (9, 6280175), (11, 5138325), (15, 3768105), (25, 2260863), (33, 1712775), (41, 1378575), (45, 1256035), (55, 1027665), (75, 753621), (99, 570925), (123, 459525), (165, 342555), (205, 275715), (225, 251207), (275, 205533), (369, 153175), (451, 125325), (495, 114185), (557, 101475), (615, 91905), (825, 68511), (1025, 55143), (1353, 41775), (1671, 33825), (1845, 30635), (2255, 25065), (2475, 22837), (2785, 20295), (3075, 18381), (4059, 13925), (5013, 11275), (6127, 9225), (6765, 8355)]