17725479

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 26002944

約数和(自身を除く): 8277465

約数列:

[1, 3, 23, 37, 53, 69, 111, 131, 159, 393, 851, 1219, 1961, 2553, 3013, 3657, 4847, 5883, 6943, 9039, 14541, 20829, 45103, 111481, 135309, 159689, 256891, 334443, 479067, 770673, 5908493, 17725479]

約数ペア:

[(1, 17725479), (3, 5908493), (23, 770673), (37, 479067), (53, 334443), (69, 256891), (111, 159689), (131, 135309), (159, 111481), (393, 45103), (851, 20829), (1219, 14541), (1961, 9039), (2553, 6943), (3013, 5883), (3657, 4847)]