421192009

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{45139}}^1$

素因数の和:45220

約数の個数: 16

約数和(自身を含む): 508456960

約数和(自身を除く): 87264951

約数列:

[1, 7, 31, 43, 217, 301, 1333, 9331, 45139, 315973, 1399309, 1940977, 9795163, 13586839, 60170287, 421192009]

約数ペア:

[(1, 421192009), (7, 60170287), (31, 13586839), (43, 9795163), (217, 1940977), (301, 1399309), (1333, 315973), (9331, 45139)]