128888019

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{101}}^1\times {\mathrm{839}}^1$

素因数の和:972

約数の個数: 36

約数和(自身を含む): 203832720

約数和(自身を除く): 74944701

約数列:

[1, 3, 9, 13, 39, 101, 117, 169, 303, 507, 839, 909, 1313, 1521, 2517, 3939, 7551, 10907, 11817, 17069, 32721, 51207, 84739, 98163, 141791, 153621, 254217, 425373, 762651, 1101607, 1276119, 3304821, 9914463, 14320891, 42962673, 128888019]

約数ペア:

[(1, 128888019), (3, 42962673), (9, 14320891), (13, 9914463), (39, 3304821), (101, 1276119), (117, 1101607), (169, 762651), (303, 425373), (507, 254217), (839, 153621), (909, 141791), (1313, 98163), (1521, 84739), (2517, 51207), (3939, 32721), (7551, 17069), (10907, 11817)]