1215209943

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{769}}^1\times {\mathrm{2473}}^1$

素因数の和:3319

約数の個数: 24

約数和(自身を含む): 1783061280

約数和(自身を除く): 567851337

約数列:

[1, 3, 9, 71, 213, 639, 769, 2307, 2473, 6921, 7419, 22257, 54599, 163797, 175583, 491391, 526749, 1580247, 1901737, 5705211, 17115633, 135023327, 405069981, 1215209943]

約数ペア:

[(1, 1215209943), (3, 405069981), (9, 135023327), (71, 17115633), (213, 5705211), (639, 1901737), (769, 1580247), (2307, 526749), (2473, 491391), (6921, 175583), (7419, 163797), (22257, 54599)]