1321772543

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{1549}}^1\times {\mathrm{9377}}^1$

素因数の和:10946

約数の個数: 16

約数和(自身を含む): 1628020800

約数和(自身を除く): 306248257

約数列:

[1, 7, 13, 91, 1549, 9377, 10843, 20137, 65639, 121901, 140959, 853307, 14524973, 101674811, 188824649, 1321772543]

約数ペア:

[(1, 1321772543), (7, 188824649), (13, 101674811), (91, 14524973), (1549, 853307), (9377, 140959), (10843, 121901), (20137, 65639)]