71396640021

素因数分解:

$3^1\times 7^1\times {\mathrm{65951}}^1\times {\mathrm{51551}}^1$

素因数の和:117512

約数の個数: 16

約数和(自身を含む): 108798640128

約数和(自身を除く): 37402000107

約数列:

[1, 3, 7, 21, 51551, 65951, 154653, 197853, 360857, 461657, 1082571, 1384971, 3399840001, 10199520003, 23798880007, 71396640021]

約数ペア:

[(1, 71396640021), (3, 23798880007), (7, 10199520003), (21, 3399840001), (51551, 1384971), (65951, 1082571), (154653, 461657), (197853, 360857)]