421815079

素因数分解:

$7^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1871}}^1$

素因数の和:2035

約数の個数: 24

約数和(自身を含む): 507057408

約数和(自身を除く): 85242329

約数列:

[1, 7, 43, 49, 107, 301, 749, 1871, 2107, 4601, 5243, 13097, 32207, 80453, 91679, 200197, 225449, 563171, 1401379, 3942197, 8608471, 9809653, 60259297, 421815079]

約数ペア:

[(1, 421815079), (7, 60259297), (43, 9809653), (49, 8608471), (107, 3942197), (301, 1401379), (749, 563171), (1871, 225449), (2107, 200197), (4601, 91679), (5243, 80453), (13097, 32207)]