247331357

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{21401}}^1$

素因数の和:21548

約数の個数: 16

約数和(自身を含む): 306819072

約数和(自身を除く): 59487715

約数列:

[1, 7, 13, 91, 127, 889, 1651, 11557, 21401, 149807, 278213, 1947491, 2717927, 19025489, 35333051, 247331357]

約数ペア:

[(1, 247331357), (7, 35333051), (13, 19025489), (91, 2717927), (127, 1947491), (889, 278213), (1651, 149807), (11557, 21401)]