285307321

素因数分解:

${\mathrm{13}}^2\times {\mathrm{53}}^2\times {\mathrm{601}}^1$

素因数の和:733

約数の個数: 18

約数和(自身を含む): 315405258

約数和(自身を除く): 30097937

約数列:

[1, 13, 53, 169, 601, 689, 2809, 7813, 8957, 31853, 36517, 101569, 414089, 474721, 1688209, 5383157, 21946717, 285307321]

約数ペア:

[(1, 285307321), (13, 21946717), (53, 5383157), (169, 1688209), (601, 474721), (689, 414089), (2809, 101569), (7813, 36517), (8957, 31853)]