28904607

素因数分解:

$3^5\times {\mathrm{17}}^1\times {\mathrm{6997}}^1$

素因数の和:7029

約数の個数: 24

約数和(自身を含む): 45850896

約数和(自身を除く): 16946289

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 1377, 4131, 6997, 20991, 62973, 118949, 188919, 356847, 566757, 1070541, 1700271, 3211623, 9634869, 28904607]

約数ペア:

[(1, 28904607), (3, 9634869), (9, 3211623), (17, 1700271), (27, 1070541), (51, 566757), (81, 356847), (153, 188919), (243, 118949), (459, 62973), (1377, 20991), (4131, 6997)]