17790799

素因数分解:

${\mathrm{13}}^2\times {\mathrm{23}}^2\times {\mathrm{199}}^1$

素因数の和:271

約数の個数: 18

約数和(自身を含む): 20239800

約数和(自身を除く): 2449001

約数列:

[1, 13, 23, 169, 199, 299, 529, 2587, 3887, 4577, 6877, 33631, 59501, 89401, 105271, 773513, 1368523, 17790799]

約数ペア:

[(1, 17790799), (13, 1368523), (23, 773513), (169, 105271), (199, 89401), (299, 59501), (529, 33631), (2587, 6877), (3887, 4577)]