890242545

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1380221}}^1$

素因数の和:1380272

約数の個数: 16

約数和(自身を含む): 1457514432

約数和(自身を除く): 567271887

約数列:

[1, 3, 5, 15, 43, 129, 215, 645, 1380221, 4140663, 6901105, 20703315, 59349503, 178048509, 296747515, 890242545]

約数ペア:

[(1, 890242545), (3, 296747515), (5, 178048509), (15, 59349503), (43, 20703315), (129, 6901105), (215, 4140663), (645, 1380221)]