12817761

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{20443}}^1$

素因数の和:20476

約数の個数: 16

約数和(自身を含む): 19626240

約数和(自身を除く): 6808479

約数列:

[1, 3, 11, 19, 33, 57, 209, 627, 20443, 61329, 224873, 388417, 674619, 1165251, 4272587, 12817761]

約数ペア:

[(1, 12817761), (3, 4272587), (11, 1165251), (19, 674619), (33, 388417), (57, 224873), (209, 61329), (627, 20443)]