1520352939

素因数分解:

$3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{149}}^1\times {\mathrm{1693}}^1$

素因数の和:1900

約数の個数: 48

約数和(自身を含む): 2433261600

約数和(自身を除く): 912908661

約数列:

[1, 3, 7, 21, 41, 49, 123, 147, 149, 287, 447, 861, 1043, 1693, 2009, 3129, 5079, 6027, 6109, 7301, 11851, 18327, 21903, 35553, 42763, 69413, 82957, 128289, 208239, 248871, 252257, 299341, 485891, 756771, 898023, 1457673, 1765799, 3401237, 5297397, 10203711, 10342537, 12360593, 31027611, 37081779, 72397759, 217193277, 506784313, 1520352939]

約数ペア:

[(1, 1520352939), (3, 506784313), (7, 217193277), (21, 72397759), (41, 37081779), (49, 31027611), (123, 12360593), (147, 10342537), (149, 10203711), (287, 5297397), (447, 3401237), (861, 1765799), (1043, 1457673), (1693, 898023), (2009, 756771), (3129, 485891), (5079, 299341), (6027, 252257), (6109, 248871), (7301, 208239), (11851, 128289), (18327, 82957), (21903, 69413), (35553, 42763)]