2227905

素因数分解:

$3^4\times 5^1\times {\mathrm{5501}}^1$

素因数の和:5518

約数の個数: 20

約数和(自身を含む): 3994452

約数和(自身を除く): 1766547

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5501, 16503, 27505, 49509, 82515, 148527, 247545, 445581, 742635, 2227905]

約数ペア:

[(1, 2227905), (3, 742635), (5, 445581), (9, 247545), (15, 148527), (27, 82515), (45, 49509), (81, 27505), (135, 16503), (405, 5501)]