51343131

素因数分解:

$3^1\times 7^2\times {\mathrm{103}}^1\times {\mathrm{3391}}^1$

素因数の和:3511

約数の個数: 24

約数和(自身を含む): 80431104

約数和(自身を除く): 29087973

約数列:

[1, 3, 7, 21, 49, 103, 147, 309, 721, 2163, 3391, 5047, 10173, 15141, 23737, 71211, 166159, 349273, 498477, 1047819, 2444911, 7334733, 17114377, 51343131]

約数ペア:

[(1, 51343131), (3, 17114377), (7, 7334733), (21, 2444911), (49, 1047819), (103, 498477), (147, 349273), (309, 166159), (721, 71211), (2163, 23737), (3391, 15141), (5047, 10173)]