8866221

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{691}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 14880768

約数和(自身を除く): 6014547

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 611, 691, 987, 1833, 2073, 4277, 4837, 8983, 12831, 14511, 26949, 32477, 62881, 97431, 188643, 227339, 422201, 682017, 1266603, 2955407, 8866221]

約数ペア:

[(1, 8866221), (3, 2955407), (7, 1266603), (13, 682017), (21, 422201), (39, 227339), (47, 188643), (91, 97431), (141, 62881), (273, 32477), (329, 26949), (611, 14511), (691, 12831), (987, 8983), (1833, 4837), (2073, 4277)]