8407971

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1$

素因数の和:216

約数の個数: 48

約数和(自身を含む): 14676480

約数和(自身を除く): 6268509

約数列:

[1, 3, 9, 11, 13, 33, 39, 47, 99, 117, 139, 141, 143, 417, 423, 429, 517, 611, 1251, 1287, 1529, 1551, 1807, 1833, 4587, 4653, 5421, 5499, 6533, 6721, 13761, 16263, 19599, 19877, 20163, 58797, 59631, 60489, 71863, 84929, 178893, 215589, 254787, 646767, 764361, 934219, 2802657, 8407971]

約数ペア:

[(1, 8407971), (3, 2802657), (9, 934219), (11, 764361), (13, 646767), (33, 254787), (39, 215589), (47, 178893), (99, 84929), (117, 71863), (139, 60489), (141, 59631), (143, 58797), (417, 20163), (423, 19877), (429, 19599), (517, 16263), (611, 13761), (1251, 6721), (1287, 6533), (1529, 5499), (1551, 5421), (1807, 4653), (1833, 4587)]