16071951

素因数分解:

$3^1\times 7^3\times {\mathrm{15619}}^1$

素因数の和:15643

約数の個数: 16

約数和(自身を含む): 24992000

約数和(自身を除く): 8920049

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 15619, 46857, 109333, 327999, 765331, 2295993, 5357317, 16071951]

約数ペア:

[(1, 16071951), (3, 5357317), (7, 2295993), (21, 765331), (49, 327999), (147, 109333), (343, 46857), (1029, 15619)]