861986079

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{1348961}}^1$

素因数の和:1349038

約数の個数: 12

約数和(自身を含む): 1262628432

約数和(自身を除く): 400642353

約数列:

[1, 3, 9, 71, 213, 639, 1348961, 4046883, 12140649, 95776231, 287328693, 861986079]

約数ペア:

[(1, 861986079), (3, 287328693), (9, 95776231), (71, 12140649), (213, 4046883), (639, 1348961)]