9780841

素因数分解:

$7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:229

約数の個数: 24

約数和(自身を含む): 12082176

約数和(自身を除く): 2301335

約数列:

[1, 7, 31, 47, 49, 137, 217, 329, 959, 1457, 1519, 2303, 4247, 6439, 6713, 10199, 29729, 45073, 71393, 199609, 208103, 315511, 1397263, 9780841]

約数ペア:

[(1, 9780841), (7, 1397263), (31, 315511), (47, 208103), (49, 199609), (137, 71393), (217, 45073), (329, 29729), (959, 10199), (1457, 6713), (1519, 6439), (2303, 4247)]