2228715

素因数分解:

$3^4\times 5^1\times {\mathrm{5503}}^1$

素因数の和:5520

約数の個数: 20

約数和(自身を含む): 3995904

約数和(自身を除く): 1767189

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 135, 405, 5503, 16509, 27515, 49527, 82545, 148581, 247635, 445743, 742905, 2228715]

約数ペア:

[(1, 2228715), (3, 742905), (5, 445743), (9, 247635), (15, 148581), (27, 82545), (45, 49527), (81, 27515), (135, 16509), (405, 5503)]