1640392821

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{193283}}^1$

素因数の和:193353

約数の個数: 24

約数和(自身を含む): 2532793536

約数和(自身を除く): 892400715

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2829, 8487, 193283, 579849, 1739547, 4445509, 7924603, 13336527, 23773809, 40009581, 71321427, 182265869, 546797607, 1640392821]

約数ペア:

[(1, 1640392821), (3, 546797607), (9, 182265869), (23, 71321427), (41, 40009581), (69, 23773809), (123, 13336527), (207, 7924603), (369, 4445509), (943, 1739547), (2829, 579849), (8487, 193283)]