13968249

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 20697600

約数和(自身を除く): 6729351

約数列:

[1, 3, 19, 41, 43, 57, 123, 129, 139, 417, 779, 817, 1763, 2337, 2451, 2641, 5289, 5699, 5977, 7923, 17097, 17931, 33497, 100491, 108281, 113563, 245057, 324843, 340689, 735171, 4656083, 13968249]

約数ペア:

[(1, 13968249), (3, 4656083), (19, 735171), (41, 340689), (43, 324843), (57, 245057), (123, 113563), (129, 108281), (139, 100491), (417, 33497), (779, 17931), (817, 17097), (1763, 7923), (2337, 5977), (2451, 5699), (2641, 5289)]