201919797

素因数分解:

$3^4\times {\mathrm{1499}}^1\times {\mathrm{1663}}^1$

素因数の和:3174

約数の個数: 20

約数和(自身を含む): 302016000

約数和(自身を除く): 100096203

約数列:

[1, 3, 9, 27, 81, 1499, 1663, 4497, 4989, 13491, 14967, 40473, 44901, 121419, 134703, 2492837, 7478511, 22435533, 67306599, 201919797]

約数ペア:

[(1, 201919797), (3, 67306599), (9, 22435533), (27, 7478511), (81, 2492837), (1499, 134703), (1663, 121419), (4497, 44901), (4989, 40473), (13491, 14967)]