13201977

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{2621}}^1$

素因数の和:2720

約数の個数: 16

約数和(自身を含む): 18626688

約数和(自身を除く): 5424711

約数列:

[1, 3, 23, 69, 73, 219, 1679, 2621, 5037, 7863, 60283, 180849, 191333, 573999, 4400659, 13201977]

約数ペア:

[(1, 13201977), (3, 4400659), (23, 573999), (69, 191333), (73, 180849), (219, 60283), (1679, 7863), (2621, 5037)]