18155847

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{487}}^1$

素因数の和:567

約数の個数: 24

約数和(自身を含む): 26367616

約数和(自身を除く): 8211769

約数列:

[1, 3, 17, 43, 51, 129, 289, 487, 731, 867, 1461, 2193, 8279, 12427, 20941, 24837, 37281, 62823, 140743, 355997, 422229, 1067991, 6051949, 18155847]

約数ペア:

[(1, 18155847), (3, 6051949), (17, 1067991), (43, 422229), (51, 355997), (129, 140743), (289, 62823), (487, 37281), (731, 24837), (867, 20941), (1461, 12427), (2193, 8279)]