90451809

素因数分解:

$3^4\times 7^1\times {\mathrm{67}}^1\times {\mathrm{2381}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 156792768

約数和(自身を除く): 66340959

約数列:

[1, 3, 7, 9, 21, 27, 63, 67, 81, 189, 201, 469, 567, 603, 1407, 1809, 2381, 4221, 5427, 7143, 12663, 16667, 21429, 37989, 50001, 64287, 150003, 159527, 192861, 450009, 478581, 1116689, 1350027, 1435743, 3350067, 4307229, 10050201, 12921687, 30150603, 90451809]

約数ペア:

[(1, 90451809), (3, 30150603), (7, 12921687), (9, 10050201), (21, 4307229), (27, 3350067), (63, 1435743), (67, 1350027), (81, 1116689), (189, 478581), (201, 450009), (469, 192861), (567, 159527), (603, 150003), (1407, 64287), (1809, 50001), (2381, 37989), (4221, 21429), (5427, 16667), (7143, 12663)]