12721737

素因数分解:

$3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26339}}^1$

素因数の和:26372

約数の個数: 16

約数和(自身を含む): 20229120

約数和(自身を除く): 7507383

約数列:

[1, 3, 7, 21, 23, 69, 161, 483, 26339, 79017, 184373, 553119, 605797, 1817391, 4240579, 12721737]

約数ペア:

[(1, 12721737), (3, 4240579), (7, 1817391), (21, 605797), (23, 553119), (69, 184373), (161, 79017), (483, 26339)]