205364145

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{279407}}^1$

素因数の和:279429

約数の個数: 24

約数和(自身を含む): 382230144

約数和(自身を除く): 176865999

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 279407, 838221, 1397035, 1955849, 4191105, 5867547, 9779245, 13690943, 29337735, 41072829, 68454715, 205364145]

約数ペア:

[(1, 205364145), (3, 68454715), (5, 41072829), (7, 29337735), (15, 13690943), (21, 9779245), (35, 5867547), (49, 4191105), (105, 1955849), (147, 1397035), (245, 838221), (735, 279407)]