178876107

素因数分解:

$3^4\times {\mathrm{31}}^1\times {\mathrm{71237}}^1$

素因数の和:71280

約数の個数: 20

約数和(自身を含む): 275833536

約数和(自身を除く): 96957429

約数列:

[1, 3, 9, 27, 31, 81, 93, 279, 837, 2511, 71237, 213711, 641133, 1923399, 2208347, 5770197, 6625041, 19875123, 59625369, 178876107]

約数ペア:

[(1, 178876107), (3, 59625369), (9, 19875123), (27, 6625041), (31, 5770197), (81, 2208347), (93, 1923399), (279, 641133), (837, 213711), (2511, 71237)]