2018720487

素因数分解:

$3^1\times 7^1\times {\mathrm{3637}}^1\times {\mathrm{26431}}^1$

素因数の和:30078

約数の個数: 16

約数和(自身を含む): 3077107712

約数和(自身を除く): 1058387225

約数列:

[1, 3, 7, 21, 3637, 10911, 25459, 26431, 76377, 79293, 185017, 555051, 96129547, 288388641, 672906829, 2018720487]

約数ペア:

[(1, 2018720487), (3, 672906829), (7, 288388641), (21, 96129547), (3637, 555051), (10911, 185017), (25459, 79293), (26431, 76377)]