27872505

素因数分解:

$3^4\times 5^1\times {\mathrm{68821}}^1$

素因数の和:68838

約数の個数: 20

約数和(自身を含む): 49964772

約数和(自身を除く): 22092267

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 68821, 206463, 344105, 619389, 1032315, 1858167, 3096945, 5574501, 9290835, 27872505]

約数ペア:

[(1, 27872505), (3, 9290835), (5, 5574501), (9, 3096945), (15, 1858167), (27, 1032315), (45, 619389), (81, 344105), (135, 206463), (405, 68821)]