28570887

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{12163}}^1$

素因数の和:12204

約数の個数: 20

約数和(自身を含む): 44155320

約数和(自身を除く): 15584433

約数列:

[1, 3, 9, 27, 29, 81, 87, 261, 783, 2349, 12163, 36489, 109467, 328401, 352727, 985203, 1058181, 3174543, 9523629, 28570887]

約数ペア:

[(1, 28570887), (3, 9523629), (9, 3174543), (27, 1058181), (29, 985203), (81, 352727), (87, 328401), (261, 109467), (783, 36489), (2349, 12163)]