2978907

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{571}}^1$

素因数の和:658

約数の個数: 16

約数和(自身を含む): 4173312

約数和(自身を除く): 1194405

約数列:

[1, 3, 37, 47, 111, 141, 571, 1713, 1739, 5217, 21127, 26837, 63381, 80511, 992969, 2978907]

約数ペア:

[(1, 2978907), (3, 992969), (37, 80511), (47, 63381), (111, 26837), (141, 21127), (571, 5217), (1713, 1739)]