137645557

素因数分解:

$7^3\times {\mathrm{19}}^1\times {\mathrm{21121}}^1$

素因数の和:21161

約数の個数: 16

約数和(自身を含む): 168976000

約数和(自身を除く): 31330443

約数列:

[1, 7, 19, 49, 133, 343, 931, 6517, 21121, 147847, 401299, 1034929, 2809093, 7244503, 19663651, 137645557]

約数ペア:

[(1, 137645557), (7, 19663651), (19, 7244503), (49, 2809093), (133, 1034929), (343, 401299), (931, 147847), (6517, 21121)]