1270581471

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1249}}^1$

素因数の和:1941

約数の個数: 40

約数和(自身を含む): 2002550000

約数和(自身を除く): 731968529

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 661, 1249, 1539, 1983, 3747, 5949, 11241, 12559, 17847, 23731, 33723, 37677, 53541, 71193, 101169, 113031, 213579, 339093, 640737, 825589, 1017279, 1922211, 2476767, 7430301, 15686191, 22290903, 47058573, 66872709, 141175719, 423527157, 1270581471]

約数ペア:

[(1, 1270581471), (3, 423527157), (9, 141175719), (19, 66872709), (27, 47058573), (57, 22290903), (81, 15686191), (171, 7430301), (513, 2476767), (661, 1922211), (1249, 1017279), (1539, 825589), (1983, 640737), (3747, 339093), (5949, 213579), (11241, 113031), (12559, 101169), (17847, 71193), (23731, 53541), (33723, 37677)]