388809315

素因数分解:

$3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{13151}}^1$

素因数の和:13241

約数の個数: 40

約数和(自身を含む): 706578048

約数和(自身を除く): 317768733

約数列:

[1, 3, 5, 9, 15, 27, 45, 73, 81, 135, 219, 365, 405, 657, 1095, 1971, 3285, 5913, 9855, 13151, 29565, 39453, 65755, 118359, 197265, 355077, 591795, 960023, 1065231, 1775385, 2880069, 4800115, 5326155, 8640207, 14400345, 25920621, 43201035, 77761863, 129603105, 388809315]

約数ペア:

[(1, 388809315), (3, 129603105), (5, 77761863), (9, 43201035), (15, 25920621), (27, 14400345), (45, 8640207), (73, 5326155), (81, 4800115), (135, 2880069), (219, 1775385), (365, 1065231), (405, 960023), (657, 591795), (1095, 355077), (1971, 197265), (3285, 118359), (5913, 65755), (9855, 39453), (13151, 29565)]