221281025

素因数分解:

$5^2\times 7^1\times {\mathrm{1039}}^1\times {\mathrm{1217}}^1$

素因数の和:2273

約数の個数: 24

約数和(自身を含む): 314146560

約数和(自身を除く): 92865535

約数列:

[1, 5, 7, 25, 35, 175, 1039, 1217, 5195, 6085, 7273, 8519, 25975, 30425, 36365, 42595, 181825, 212975, 1264463, 6322315, 8851241, 31611575, 44256205, 221281025]

約数ペア:

[(1, 221281025), (5, 44256205), (7, 31611575), (25, 8851241), (35, 6322315), (175, 1264463), (1039, 212975), (1217, 181825), (5195, 42595), (6085, 36365), (7273, 30425), (8519, 25975)]