87647889

素因数分解:

$3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3347}}^1$

素因数の和:3429

約数の個数: 32

約数和(自身を含む): 141419520

約数和(自身を除く): 53771631

約数列:

[1, 3, 7, 21, 29, 43, 87, 129, 203, 301, 609, 903, 1247, 3347, 3741, 8729, 10041, 23429, 26187, 70287, 97063, 143921, 291189, 431763, 679441, 1007447, 2038323, 3022341, 4173709, 12521127, 29215963, 87647889]

約数ペア:

[(1, 87647889), (3, 29215963), (7, 12521127), (21, 4173709), (29, 3022341), (43, 2038323), (87, 1007447), (129, 679441), (203, 431763), (301, 291189), (609, 143921), (903, 97063), (1247, 70287), (3347, 26187), (3741, 23429), (8729, 10041)]