16191171

素因数分解:

$3^4\times {\mathrm{47}}^1\times {\mathrm{4253}}^1$

素因数の和:4312

約数の個数: 20

約数和(自身を含む): 24707232

約数和(自身を除く): 8516061

約数列:

[1, 3, 9, 27, 47, 81, 141, 423, 1269, 3807, 4253, 12759, 38277, 114831, 199891, 344493, 599673, 1799019, 5397057, 16191171]

約数ペア:

[(1, 16191171), (3, 5397057), (9, 1799019), (27, 599673), (47, 344493), (81, 199891), (141, 114831), (423, 38277), (1269, 12759), (3807, 4253)]