420262017

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{152767}}^1$

素因数の和:152908

約数の個数: 16

約数和(自身を含む): 645292032

約数和(自身を除く): 225030015

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 152767, 458301, 1069369, 3208107, 20012477, 60037431, 140087339, 420262017]

約数ペア:

[(1, 420262017), (3, 140087339), (7, 60037431), (21, 20012477), (131, 3208107), (393, 1069369), (917, 458301), (2751, 152767)]