7779969

素因数分解:

$3^4\times {\mathrm{139}}^1\times {\mathrm{691}}^1$

素因数の和:842

約数の個数: 20

約数和(自身を含む): 11722480

約数和(自身を除く): 3942511

約数列:

[1, 3, 9, 27, 81, 139, 417, 691, 1251, 2073, 3753, 6219, 11259, 18657, 55971, 96049, 288147, 864441, 2593323, 7779969]

約数ペア:

[(1, 7779969), (3, 2593323), (9, 864441), (27, 288147), (81, 96049), (139, 55971), (417, 18657), (691, 11259), (1251, 6219), (2073, 3753)]