12420387

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{11597}}^1$

素因数の和:11627

約数の個数: 24

約数和(自身を含む): 21711456

約数和(自身を除く): 9291069

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 11597, 34791, 81179, 104373, 197149, 243537, 591447, 730611, 1380043, 1774341, 4140129, 12420387]

約数ペア:

[(1, 12420387), (3, 4140129), (7, 1774341), (9, 1380043), (17, 730611), (21, 591447), (51, 243537), (63, 197149), (119, 104373), (153, 81179), (357, 34791), (1071, 11597)]