8271207

素因数分解:

$3^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:532

約数の個数: 32

約数和(自身を含む): 14169600

約数和(自身を除く): 5898393

約数列:

[1, 3, 7, 9, 21, 27, 63, 107, 189, 321, 409, 749, 963, 1227, 2247, 2863, 2889, 3681, 6741, 8589, 11043, 20223, 25767, 43763, 77301, 131289, 306341, 393867, 919023, 1181601, 2757069, 8271207]

約数ペア:

[(1, 8271207), (3, 2757069), (7, 1181601), (9, 919023), (21, 393867), (27, 306341), (63, 131289), (107, 77301), (189, 43763), (321, 25767), (409, 20223), (749, 11043), (963, 8589), (1227, 6741), (2247, 3681), (2863, 2889)]