8991423

素因数分解:

$3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{59}}^2$

素因数の和:172

約数の個数: 36

約数和(自身を含む): 15467088

約数和(自身を除く): 6475665

約数列:

[1, 3, 7, 9, 21, 41, 59, 63, 123, 177, 287, 369, 413, 531, 861, 1239, 2419, 2583, 3481, 3717, 7257, 10443, 16933, 21771, 24367, 31329, 50799, 73101, 142721, 152397, 219303, 428163, 999047, 1284489, 2997141, 8991423]

約数ペア:

[(1, 8991423), (3, 2997141), (7, 1284489), (9, 999047), (21, 428163), (41, 219303), (59, 152397), (63, 142721), (123, 73101), (177, 50799), (287, 31329), (369, 24367), (413, 21771), (531, 16933), (861, 10443), (1239, 7257), (2419, 3717), (2583, 3481)]