208262655

素因数分解:

$3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{28393}}^1$

素因数の和:28567

約数の個数: 24

約数和(自身を含む): 363216048

約数和(自身を除く): 154953393

約数列:

[1, 3, 5, 9, 15, 45, 163, 489, 815, 1467, 2445, 7335, 28393, 85179, 141965, 255537, 425895, 1277685, 4628059, 13884177, 23140295, 41652531, 69420885, 208262655]

約数ペア:

[(1, 208262655), (3, 69420885), (5, 41652531), (9, 23140295), (15, 13884177), (45, 4628059), (163, 1277685), (489, 425895), (815, 255537), (1467, 141965), (2445, 85179), (7335, 28393)]