321651

素因数分解:

$3^4\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:61

約数の個数: 30

約数和(自身を含む): 553212

約数和(自身を除く): 231561

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 171, 209, 297, 361, 513, 627, 891, 1083, 1539, 1881, 3249, 3971, 5643, 9747, 11913, 16929, 29241, 35739, 107217, 321651]

約数ペア:

[(1, 321651), (3, 107217), (9, 35739), (11, 29241), (19, 16929), (27, 11913), (33, 9747), (57, 5643), (81, 3971), (99, 3249), (171, 1881), (209, 1539), (297, 1083), (361, 891), (513, 627)]