71971487

素因数分解:

$7^1\times {\mathrm{19}}^3\times {\mathrm{1499}}^1$

素因数の和:1563

約数の個数: 16

約数和(自身を含む): 86880000

約数和(自身を除く): 14908513

約数列:

[1, 7, 19, 133, 361, 1499, 2527, 6859, 10493, 28481, 48013, 199367, 541139, 3787973, 10281641, 71971487]

約数ペア:

[(1, 71971487), (7, 10281641), (19, 3787973), (133, 541139), (361, 199367), (1499, 48013), (2527, 28481), (6859, 10493)]