28107681

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1831}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 46430208

約数和(自身を除く): 18322527

約数列:

[1, 3, 7, 17, 21, 43, 51, 119, 129, 301, 357, 731, 903, 1831, 2193, 5117, 5493, 12817, 15351, 31127, 38451, 78733, 93381, 217889, 236199, 551131, 653667, 1338461, 1653393, 4015383, 9369227, 28107681]

約数ペア:

[(1, 28107681), (3, 9369227), (7, 4015383), (17, 1653393), (21, 1338461), (43, 653667), (51, 551131), (119, 236199), (129, 217889), (301, 93381), (357, 78733), (731, 38451), (903, 31127), (1831, 15351), (2193, 12817), (5117, 5493)]