22720407

素因数分解:

$3^1\times {\mathrm{97}}^1\times {\mathrm{163}}^1\times {\mathrm{479}}^1$

素因数の和:742

約数の個数: 16

約数和(自身を含む): 30858240

約数和(自身を除く): 8137833

約数列:

[1, 3, 97, 163, 291, 479, 489, 1437, 15811, 46463, 47433, 78077, 139389, 234231, 7573469, 22720407]

約数ペア:

[(1, 22720407), (3, 7573469), (97, 234231), (163, 139389), (291, 78077), (479, 47433), (489, 46463), (1437, 15811)]