261330783

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1\times {\mathrm{967}}^1$

素因数の和:1751

約数の個数: 32

約数和(自身を含む): 422636544

約数和(自身を除く): 161305761

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 757, 967, 2271, 2901, 5299, 6769, 12869, 15897, 16439, 20307, 38607, 49317, 90083, 115073, 270249, 345219, 732019, 2196057, 5124133, 12444323, 15372399, 37332969, 87110261, 261330783]

約数ペア:

[(1, 261330783), (3, 87110261), (7, 37332969), (17, 15372399), (21, 12444323), (51, 5124133), (119, 2196057), (357, 732019), (757, 345219), (967, 270249), (2271, 115073), (2901, 90083), (5299, 49317), (6769, 38607), (12869, 20307), (15897, 16439)]