27420945

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79481}}^1$

素因数の和:79512

約数の個数: 16

約数和(自身を含む): 45781632

約数和(自身を除く): 18360687

約数列:

[1, 3, 5, 15, 23, 69, 115, 345, 79481, 238443, 397405, 1192215, 1828063, 5484189, 9140315, 27420945]

約数ペア:

[(1, 27420945), (3, 9140315), (5, 5484189), (15, 1828063), (23, 1192215), (69, 397405), (115, 238443), (345, 79481)]