209172165

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{683}}^1\times {\mathrm{1201}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 355176576

約数和(自身を除く): 146004411

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 683, 1201, 2049, 3415, 3603, 6005, 10245, 11611, 18015, 20417, 34833, 58055, 61251, 102085, 174165, 306255, 820283, 2460849, 4101415, 12304245, 13944811, 41834433, 69724055, 209172165]

約数ペア:

[(1, 209172165), (3, 69724055), (5, 41834433), (15, 13944811), (17, 12304245), (51, 4101415), (85, 2460849), (255, 820283), (683, 306255), (1201, 174165), (2049, 102085), (3415, 61251), (3603, 58055), (6005, 34833), (10245, 20417), (11611, 18015)]