1291288287

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{1889}}^1\times {\mathrm{9907}}^1$

素因数の和:11822

約数の個数: 16

約数和(自身を含む): 1797707520

約数和(自身を除く): 506419233

約数列:

[1, 3, 23, 69, 1889, 5667, 9907, 29721, 43447, 130341, 227861, 683583, 18714323, 56142969, 430429429, 1291288287]

約数ペア:

[(1, 1291288287), (3, 430429429), (23, 56142969), (69, 18714323), (1889, 683583), (5667, 227861), (9907, 130341), (29721, 43447)]