247412985

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{970247}}^1$

素因数の和:970272

約数の個数: 16

約数和(自身を含む): 419147136

約数和(自身を除く): 171734151

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 970247, 2910741, 4851235, 14553705, 16494199, 49482597, 82470995, 247412985]

約数ペア:

[(1, 247412985), (3, 82470995), (5, 49482597), (15, 16494199), (17, 14553705), (51, 4851235), (85, 2910741), (255, 970247)]