208294737

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{13757}}^1$

素因数の和:13877

約数の個数: 24

約数和(自身を含む): 326229696

約数和(自身を除く): 117934959

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 5047, 13757, 15141, 41271, 96299, 288897, 674093, 1416971, 2022279, 4250913, 9918797, 29756391, 69431579, 208294737]

約数ペア:

[(1, 208294737), (3, 69431579), (7, 29756391), (21, 9918797), (49, 4250913), (103, 2022279), (147, 1416971), (309, 674093), (721, 288897), (2163, 96299), (5047, 41271), (13757, 15141)]