289760121

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{270551}}^1$

素因数の和:270581

約数の個数: 24

約数和(自身を含む): 506473344

約数和(自身を除く): 216713223

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 270551, 811653, 1893857, 2434959, 4599367, 5681571, 13798101, 17044713, 32195569, 41394303, 96586707, 289760121]

約数ペア:

[(1, 289760121), (3, 96586707), (7, 41394303), (9, 32195569), (17, 17044713), (21, 13798101), (51, 5681571), (63, 4599367), (119, 2434959), (153, 1893857), (357, 811653), (1071, 270551)]