13281003

素因数分解:

$3^4\times {\mathrm{113}}^1\times {\mathrm{1451}}^1$

素因数の和:1576

約数の個数: 20

約数和(自身を含む): 20028888

約数和(自身を除く): 6747885

約数列:

[1, 3, 9, 27, 81, 113, 339, 1017, 1451, 3051, 4353, 9153, 13059, 39177, 117531, 163963, 491889, 1475667, 4427001, 13281003]

約数ペア:

[(1, 13281003), (3, 4427001), (9, 1475667), (27, 491889), (81, 163963), (113, 117531), (339, 39177), (1017, 13059), (1451, 9153), (3051, 4353)]