40181999

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16529}}^1$

素因数の和:16570

約数の個数: 16

約数和(自身を含む): 49986720

約数和(自身を除く): 9804721

約数列:

[1, 11, 13, 17, 143, 187, 221, 2431, 16529, 181819, 214877, 280993, 2363647, 3090923, 3652909, 40181999]

約数ペア:

[(1, 40181999), (11, 3652909), (13, 3090923), (17, 2363647), (143, 280993), (187, 214877), (221, 181819), (2431, 16529)]