1221269101

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 1395491328

約数和(自身を除く): 174222227

約数列:

[1, 13, 37, 43, 137, 431, 481, 559, 1591, 1781, 5069, 5603, 5891, 15947, 18533, 20683, 59047, 65897, 76583, 207311, 217967, 240929, 685721, 767611, 2184739, 2539021, 2833571, 8914373, 28401607, 33007273, 93943777, 1221269101]

約数ペア:

[(1, 1221269101), (13, 93943777), (37, 33007273), (43, 28401607), (137, 8914373), (431, 2833571), (481, 2539021), (559, 2184739), (1591, 767611), (1781, 685721), (5069, 240929), (5603, 217967), (5891, 207311), (15947, 76583), (18533, 65897), (20683, 59047)]