15720477

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{3121}}^1$

素因数の和:3220

約数の個数: 16

約数和(自身を含む): 22178688

約数和(自身を除く): 6458211

約数列:

[1, 3, 23, 69, 73, 219, 1679, 3121, 5037, 9363, 71783, 215349, 227833, 683499, 5240159, 15720477]

約数ペア:

[(1, 15720477), (3, 5240159), (23, 683499), (69, 227833), (73, 215349), (219, 71783), (1679, 9363), (3121, 5037)]