8708973

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1$

素因数の和:138

約数の個数: 64

約数和(自身を含む): 15912960

約数和(自身を除く): 7203987

約数列:

[1, 3, 7, 13, 19, 21, 23, 39, 57, 69, 73, 91, 133, 161, 219, 247, 273, 299, 399, 437, 483, 511, 741, 897, 949, 1311, 1387, 1533, 1679, 1729, 2093, 2847, 3059, 4161, 5037, 5187, 5681, 6279, 6643, 9177, 9709, 11753, 17043, 18031, 19929, 21827, 29127, 31901, 35259, 39767, 54093, 65481, 95703, 119301, 126217, 152789, 223307, 378651, 414713, 458367, 669921, 1244139, 2902991, 8708973]

約数ペア:

[(1, 8708973), (3, 2902991), (7, 1244139), (13, 669921), (19, 458367), (21, 414713), (23, 378651), (39, 223307), (57, 152789), (69, 126217), (73, 119301), (91, 95703), (133, 65481), (161, 54093), (219, 39767), (247, 35259), (273, 31901), (299, 29127), (399, 21827), (437, 19929), (483, 18031), (511, 17043), (741, 11753), (897, 9709), (949, 9177), (1311, 6643), (1387, 6279), (1533, 5681), (1679, 5187), (1729, 5037), (2093, 4161), (2847, 3059)]