28496805

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 47222784

約数和(自身を除く): 18725979

約数列:

[1, 3, 5, 15, 47, 83, 141, 235, 249, 415, 487, 705, 1245, 1461, 2435, 3901, 7305, 11703, 19505, 22889, 40421, 58515, 68667, 114445, 121263, 202105, 343335, 606315, 1899787, 5699361, 9498935, 28496805]

約数ペア:

[(1, 28496805), (3, 9498935), (5, 5699361), (15, 1899787), (47, 606315), (83, 343335), (141, 202105), (235, 121263), (249, 114445), (415, 68667), (487, 58515), (705, 40421), (1245, 22889), (1461, 19505), (2435, 11703), (3901, 7305)]