128299281

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 190512000

約数和(自身を除く): 62212719

約数列:

[1, 3, 11, 33, 97, 149, 269, 291, 447, 807, 1067, 1639, 2959, 3201, 4917, 8877, 14453, 26093, 40081, 43359, 78279, 120243, 158983, 287023, 440891, 476949, 861069, 1322673, 3887857, 11663571, 42766427, 128299281]

約数ペア:

[(1, 128299281), (3, 42766427), (11, 11663571), (33, 3887857), (97, 1322673), (149, 861069), (269, 476949), (291, 440891), (447, 287023), (807, 158983), (1067, 120243), (1639, 78279), (2959, 43359), (3201, 40081), (4917, 26093), (8877, 14453)]