397777305

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{36277}}^1$

素因数の和:36345

約数の個数: 32

約数和(自身を含む): 689572224

約数和(自身を除く): 291794919

約数列:

[1, 3, 5, 15, 17, 43, 51, 85, 129, 215, 255, 645, 731, 2193, 3655, 10965, 36277, 108831, 181385, 544155, 616709, 1559911, 1850127, 3083545, 4679733, 7799555, 9250635, 23398665, 26518487, 79555461, 132592435, 397777305]

約数ペア:

[(1, 397777305), (3, 132592435), (5, 79555461), (15, 26518487), (17, 23398665), (43, 9250635), (51, 7799555), (85, 4679733), (129, 3083545), (215, 1850127), (255, 1559911), (645, 616709), (731, 544155), (2193, 181385), (3655, 108831), (10965, 36277)]