26851389

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 39168000

約数和(自身を除く): 12316611

約数列:

[1, 3, 19, 57, 67, 79, 89, 201, 237, 267, 1273, 1501, 1691, 3819, 4503, 5073, 5293, 5963, 7031, 15879, 17889, 21093, 100567, 113297, 133589, 301701, 339891, 400767, 471077, 1413231, 8950463, 26851389]

約数ペア:

[(1, 26851389), (3, 8950463), (19, 1413231), (57, 471077), (67, 400767), (79, 339891), (89, 301701), (201, 133589), (237, 113297), (267, 100567), (1273, 21093), (1501, 17889), (1691, 15879), (3819, 7031), (4503, 5963), (5073, 5293)]