7919991

素因数分解:

$3^3\times {\mathrm{197}}^1\times {\mathrm{1489}}^1$

素因数の和:1695

約数の個数: 16

約数和(自身を含む): 11800800

約数和(自身を除く): 3880809

約数列:

[1, 3, 9, 27, 197, 591, 1489, 1773, 4467, 5319, 13401, 40203, 293333, 879999, 2639997, 7919991]

約数ペア:

[(1, 7919991), (3, 2639997), (9, 879999), (27, 293333), (197, 40203), (591, 13401), (1489, 5319), (1773, 4467)]