156975003

素因数分解:

$3^4\times {\mathrm{97}}^1\times {\mathrm{19979}}^1$

素因数の和:20088

約数の個数: 20

約数和(自身を含む): 236922840

約数和(自身を除く): 79947837

約数列:

[1, 3, 9, 27, 81, 97, 291, 873, 2619, 7857, 19979, 59937, 179811, 539433, 1618299, 1937963, 5813889, 17441667, 52325001, 156975003]

約数ペア:

[(1, 156975003), (3, 52325001), (9, 17441667), (27, 5813889), (81, 1937963), (97, 1618299), (291, 539433), (873, 179811), (2619, 59937), (7857, 19979)]