31408299

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15791}}^1$

素因数の和:15827

約数の個数: 24

約数和(自身を含む): 51734592

約数和(自身を除く): 20326293

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 15791, 47373, 142119, 205283, 268447, 615849, 805341, 1847547, 2416023, 3489811, 10469433, 31408299]

約数ペア:

[(1, 31408299), (3, 10469433), (9, 3489811), (13, 2416023), (17, 1847547), (39, 805341), (51, 615849), (117, 268447), (153, 205283), (221, 142119), (663, 47373), (1989, 15791)]