8263689

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:317

約数の個数: 32

約数和(自身を含む): 13440000

約数和(自身を除く): 5176311

約数列:

[1, 3, 7, 19, 21, 57, 133, 139, 149, 399, 417, 447, 973, 1043, 2641, 2831, 2919, 3129, 7923, 8493, 18487, 19817, 20711, 55461, 59451, 62133, 144977, 393509, 434931, 1180527, 2754563, 8263689]

約数ペア:

[(1, 8263689), (3, 2754563), (7, 1180527), (19, 434931), (21, 393509), (57, 144977), (133, 62133), (139, 59451), (149, 55461), (399, 20711), (417, 19817), (447, 18487), (973, 8493), (1043, 7923), (2641, 3129), (2831, 2919)]