140931009

素因数分解:

$3^6\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2108

約数の個数: 28

約数和(自身を含む): 213585316

約数和(自身を除く): 72654307

約数列:

[1, 3, 9, 27, 81, 97, 243, 291, 729, 873, 1993, 2619, 5979, 7857, 17937, 23571, 53811, 70713, 161433, 193321, 484299, 579963, 1452897, 1739889, 5219667, 15659001, 46977003, 140931009]

約数ペア:

[(1, 140931009), (3, 46977003), (9, 15659001), (27, 5219667), (81, 1739889), (97, 1452897), (243, 579963), (291, 484299), (729, 193321), (873, 161433), (1993, 70713), (2619, 53811), (5979, 23571), (7857, 17937)]