212293011

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^2\times {\mathrm{991}}^1$

素因数の和:1203

約数の個数: 24

約数和(自身を含む): 327058432

約数和(自身を除く): 114765421

約数列:

[1, 3, 7, 21, 101, 303, 707, 991, 2121, 2973, 6937, 10201, 20811, 30603, 71407, 100091, 214221, 300273, 700637, 2101911, 10109191, 30327573, 70764337, 212293011]

約数ペア:

[(1, 212293011), (3, 70764337), (7, 30327573), (21, 10109191), (101, 2101911), (303, 700637), (707, 300273), (991, 214221), (2121, 100091), (2973, 71407), (6937, 30603), (10201, 20811)]