31542693

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2687}}^1$

素因数の和:2753

約数の個数: 32

約数和(自身を含む): 52985856

約数和(自身を除く): 21443163

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 2687, 3913, 8061, 11739, 18809, 34931, 56427, 104793, 115541, 244517, 346623, 733551, 808787, 1502033, 2426361, 4506099, 10514231, 31542693]

約数ペア:

[(1, 31542693), (3, 10514231), (7, 4506099), (13, 2426361), (21, 1502033), (39, 808787), (43, 733551), (91, 346623), (129, 244517), (273, 115541), (301, 104793), (559, 56427), (903, 34931), (1677, 18809), (2687, 11739), (3913, 8061)]