28608471

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{641}}^1$

素因数の和:701

約数の個数: 40

約数和(自身を含む): 46609200

約数和(自身を除く): 18000729

約数列:

[1, 3, 9, 19, 27, 29, 57, 81, 87, 171, 261, 513, 551, 641, 783, 1539, 1653, 1923, 2349, 4959, 5769, 12179, 14877, 17307, 18589, 36537, 44631, 51921, 55767, 109611, 167301, 328833, 353191, 501903, 986499, 1059573, 1505709, 3178719, 9536157, 28608471]

約数ペア:

[(1, 28608471), (3, 9536157), (9, 3178719), (19, 1505709), (27, 1059573), (29, 986499), (57, 501903), (81, 353191), (87, 328833), (171, 167301), (261, 109611), (513, 55767), (551, 51921), (641, 44631), (783, 36537), (1539, 18589), (1653, 17307), (1923, 14877), (2349, 12179), (4959, 5769)]