1390223841

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{633937}}^1$

素因数の和:634000

約数の個数: 16

約数和(自身を含む): 2008315584

約数和(自身を除く): 618091743

約数列:

[1, 3, 17, 43, 51, 129, 731, 2193, 633937, 1901811, 10776929, 27259291, 32330787, 81777873, 463407947, 1390223841]

約数ペア:

[(1, 1390223841), (3, 463407947), (17, 81777873), (43, 32330787), (51, 27259291), (129, 10776929), (731, 1901811), (2193, 633937)]