1389777717

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{87523}}^1$

素因数の和:87672

約数の個数: 16

約数和(自身を含む): 1904522240

約数和(自身を除く): 514744523

約数列:

[1, 3, 67, 79, 201, 237, 5293, 15879, 87523, 262569, 5864041, 6914317, 17592123, 20742951, 463259239, 1389777717]

約数ペア:

[(1, 1389777717), (3, 463259239), (67, 20742951), (79, 17592123), (201, 6914317), (237, 5864041), (5293, 262569), (15879, 87523)]