7728399

素因数分解:

$3^3\times 7^1\times {\mathrm{103}}^1\times {\mathrm{397}}^1$

素因数の和:516

約数の個数: 32

約数和(自身を含む): 13245440

約数和(自身を除く): 5517041

約数列:

[1, 3, 7, 9, 21, 27, 63, 103, 189, 309, 397, 721, 927, 1191, 2163, 2779, 2781, 3573, 6489, 8337, 10719, 19467, 25011, 40891, 75033, 122673, 286237, 368019, 858711, 1104057, 2576133, 7728399]

約数ペア:

[(1, 7728399), (3, 2576133), (7, 1104057), (9, 858711), (21, 368019), (27, 286237), (63, 122673), (103, 75033), (189, 40891), (309, 25011), (397, 19467), (721, 10719), (927, 8337), (1191, 6489), (2163, 3573), (2779, 2781)]