28906239

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1297}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 44858880

約数和(自身を除く): 15952641

約数列:

[1, 3, 17, 19, 23, 51, 57, 69, 323, 391, 437, 969, 1173, 1297, 1311, 3891, 7429, 22049, 22287, 24643, 29831, 66147, 73929, 89493, 418931, 507127, 566789, 1256793, 1521381, 1700367, 9635413, 28906239]

約数ペア:

[(1, 28906239), (3, 9635413), (17, 1700367), (19, 1521381), (23, 1256793), (51, 566789), (57, 507127), (69, 418931), (323, 89493), (391, 73929), (437, 66147), (969, 29831), (1173, 24643), (1297, 22287), (1311, 22049), (3891, 7429)]