263169

素因数分解:

$3^6\times {\mathrm{19}}^2$

素因数の和:56

約数の個数: 21

約数和(自身を含む): 416433

約数和(自身を除く): 153264

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 361, 513, 729, 1083, 1539, 3249, 4617, 9747, 13851, 29241, 87723, 263169]

約数ペア:

[(1, 263169), (3, 87723), (9, 29241), (19, 13851), (27, 9747), (57, 4617), (81, 3249), (171, 1539), (243, 1083), (361, 729)]