420050211

素因数分解:

$3^1\times 7^1\times {\mathrm{2551}}^1\times {\mathrm{7841}}^1$

素因数の和:10402

約数の個数: 16

約数和(自身を含む): 640409088

約数和(自身を除く): 220358877

約数列:

[1, 3, 7, 21, 2551, 7653, 7841, 17857, 23523, 53571, 54887, 164661, 20002391, 60007173, 140016737, 420050211]

約数ペア:

[(1, 420050211), (3, 140016737), (7, 60007173), (21, 20002391), (2551, 164661), (7653, 54887), (7841, 53571), (17857, 23523)]