16140621

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{20773}}^1$

素因数の和:20820

約数の個数: 16

約数和(自身を含む): 25261184

約数和(自身を除く): 9120563

約数列:

[1, 3, 7, 21, 37, 111, 259, 777, 20773, 62319, 145411, 436233, 768601, 2305803, 5380207, 16140621]

約数ペア:

[(1, 16140621), (3, 5380207), (7, 2305803), (21, 768601), (37, 436233), (111, 145411), (259, 62319), (777, 20773)]