17971317

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21943}}^1$

素因数の和:21969

約数の個数: 24

約数和(自身を含む): 31950464

約数和(自身を除く): 13979147

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 21943, 65829, 153601, 197487, 285259, 460803, 855777, 1382409, 1996813, 2567331, 5990439, 17971317]

約数ペア:

[(1, 17971317), (3, 5990439), (7, 2567331), (9, 1996813), (13, 1382409), (21, 855777), (39, 460803), (63, 285259), (91, 197487), (117, 153601), (273, 65829), (819, 21943)]