81621141

素因数分解:

$3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{49199}}^1$

素因数の和:49288

約数の個数: 16

約数和(自身を含む): 125952000

約数和(自身を除く): 44330859

約数列:

[1, 3, 7, 21, 79, 237, 553, 1659, 49199, 147597, 344393, 1033179, 3886721, 11660163, 27207047, 81621141]

約数ペア:

[(1, 81621141), (3, 27207047), (7, 11660163), (21, 3886721), (79, 1033179), (237, 344393), (553, 147597), (1659, 49199)]