80278635

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{1753}}^1$

素因数の和:1875

約数の個数: 32

約数和(自身を含む): 133360128

約数和(自身を除く): 53081493

約数列:

[1, 3, 5, 15, 43, 71, 129, 213, 215, 355, 645, 1065, 1753, 3053, 5259, 8765, 9159, 15265, 26295, 45795, 75379, 124463, 226137, 373389, 376895, 622315, 1130685, 1866945, 5351909, 16055727, 26759545, 80278635]

約数ペア:

[(1, 80278635), (3, 26759545), (5, 16055727), (15, 5351909), (43, 1866945), (71, 1130685), (129, 622315), (213, 376895), (215, 373389), (355, 226137), (645, 124463), (1065, 75379), (1753, 45795), (3053, 26295), (5259, 15265), (8765, 9159)]