180478851

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{3637}}^1$

素因数の和:3803

約数の個数: 32

約数和(自身を含む): 293368320

約数和(自身を除く): 112889469

約数列:

[1, 3, 7, 17, 21, 51, 119, 139, 357, 417, 973, 2363, 2919, 3637, 7089, 10911, 16541, 25459, 49623, 61829, 76377, 185487, 432803, 505543, 1298409, 1516629, 3538801, 8594231, 10616403, 25782693, 60159617, 180478851]

約数ペア:

[(1, 180478851), (3, 60159617), (7, 25782693), (17, 10616403), (21, 8594231), (51, 3538801), (119, 1516629), (139, 1298409), (357, 505543), (417, 432803), (973, 185487), (2363, 76377), (2919, 61829), (3637, 49623), (7089, 25459), (10911, 16541)]