90978783

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{2131}}^1$

素因数の和:2267

約数の個数: 32

約数和(自身を含む): 147363840

約数和(自身を除く): 56385057

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 2033, 2131, 2247, 6099, 6393, 14231, 14917, 40489, 42693, 44751, 121467, 228017, 283423, 684051, 850269, 1596119, 4332323, 4788357, 12996969, 30326261, 90978783]

約数ペア:

[(1, 90978783), (3, 30326261), (7, 12996969), (19, 4788357), (21, 4332323), (57, 1596119), (107, 850269), (133, 684051), (321, 283423), (399, 228017), (749, 121467), (2033, 44751), (2131, 42693), (2247, 40489), (6099, 14917), (6393, 14231)]