20170311

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3251

約数の個数: 24

約数和(自身を含む): 32022144

約数和(自身を除く): 11851833

約数列:

[1, 3, 7, 21, 43, 49, 129, 147, 301, 903, 2107, 3191, 6321, 9573, 22337, 67011, 137213, 156359, 411639, 469077, 960491, 2881473, 6723437, 20170311]

約数ペア:

[(1, 20170311), (3, 6723437), (7, 2881473), (21, 960491), (43, 469077), (49, 411639), (129, 156359), (147, 137213), (301, 67011), (903, 22337), (2107, 9573), (3191, 6321)]