2902905

素因数分解:

$3^3\times 5^1\times {\mathrm{21503}}^1$

素因数の和:21517

約数の個数: 16

約数和(自身を含む): 5160960

約数和(自身を除く): 2258055

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 21503, 64509, 107515, 193527, 322545, 580581, 967635, 2902905]

約数ペア:

[(1, 2902905), (3, 967635), (5, 580581), (9, 322545), (15, 193527), (27, 107515), (45, 64509), (135, 21503)]