9991959

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{809}}^1$

素因数の和:1014

約数の個数: 16

約数和(自身を含む): 13996800

約数和(自身を除く): 4004841

約数列:

[1, 3, 23, 69, 179, 537, 809, 2427, 4117, 12351, 18607, 55821, 144811, 434433, 3330653, 9991959]

約数ペア:

[(1, 9991959), (3, 3330653), (23, 434433), (69, 144811), (179, 55821), (537, 18607), (809, 12351), (2427, 4117)]