138710019

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:819

約数の個数: 32

約数和(自身を含む): 217036800

約数和(自身を除く): 78326781

約数列:

[1, 3, 7, 21, 47, 141, 313, 329, 449, 939, 987, 1347, 2191, 3143, 6573, 9429, 14711, 21103, 44133, 63309, 102977, 140537, 147721, 308931, 421611, 443163, 983759, 2951277, 6605239, 19815717, 46236673, 138710019]

約数ペア:

[(1, 138710019), (3, 46236673), (7, 19815717), (21, 6605239), (47, 2951277), (141, 983759), (313, 443163), (329, 421611), (449, 308931), (939, 147721), (987, 140537), (1347, 102977), (2191, 63309), (3143, 44133), (6573, 21103), (9429, 14711)]