28435281

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{7481}}^1$

素因数の和:7672

約数の個数: 16

約数和(自身を含む): 43575168

約数和(自身を除く): 15139887

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 7481, 22443, 52367, 157101, 1354061, 4062183, 9478427, 28435281]

約数ペア:

[(1, 28435281), (3, 9478427), (7, 4062183), (21, 1354061), (181, 157101), (543, 52367), (1267, 22443), (3801, 7481)]