28852317

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12979}}^1$

素因数の和:13017

約数の個数: 24

約数和(自身を含む): 47247200

約数和(自身を除く): 18394883

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 741, 2223, 12979, 38937, 116811, 168727, 246601, 506181, 739803, 1518543, 2219409, 3205813, 9617439, 28852317]

約数ペア:

[(1, 28852317), (3, 9617439), (9, 3205813), (13, 2219409), (19, 1518543), (39, 739803), (57, 506181), (117, 246601), (171, 168727), (247, 116811), (741, 38937), (2223, 12979)]