190905903

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1249}}^1$

素因数の和:1318

約数の個数: 48

約数和(自身を含む): 311220000

約数和(自身を除く): 120314097

約数列:

[1, 3, 9, 17, 27, 37, 51, 81, 111, 153, 243, 333, 459, 629, 999, 1249, 1377, 1887, 2997, 3747, 4131, 5661, 8991, 11241, 16983, 21233, 33723, 46213, 50949, 63699, 101169, 138639, 152847, 191097, 303507, 415917, 573291, 785621, 1247751, 1719873, 2356863, 3743253, 5159619, 7070589, 11229759, 21211767, 63635301, 190905903]

約数ペア:

[(1, 190905903), (3, 63635301), (9, 21211767), (17, 11229759), (27, 7070589), (37, 5159619), (51, 3743253), (81, 2356863), (111, 1719873), (153, 1247751), (243, 785621), (333, 573291), (459, 415917), (629, 303507), (999, 191097), (1249, 152847), (1377, 138639), (1887, 101169), (2997, 63699), (3747, 50949), (4131, 46213), (5661, 33723), (8991, 21233), (11241, 16983)]