505494

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:82

約数の個数: 64

約数和(自身を含む): 1313280

約数和(自身を除く): 807786

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 23, 27, 33, 37, 46, 54, 66, 69, 74, 99, 111, 138, 198, 207, 222, 253, 297, 333, 407, 414, 506, 594, 621, 666, 759, 814, 851, 999, 1221, 1242, 1518, 1702, 1998, 2277, 2442, 2553, 3663, 4554, 5106, 6831, 7326, 7659, 9361, 10989, 13662, 15318, 18722, 21978, 22977, 28083, 45954, 56166, 84249, 168498, 252747, 505494]

約数ペア:

[(1, 505494), (2, 252747), (3, 168498), (6, 84249), (9, 56166), (11, 45954), (18, 28083), (22, 22977), (23, 21978), (27, 18722), (33, 15318), (37, 13662), (46, 10989), (54, 9361), (66, 7659), (69, 7326), (74, 6831), (99, 5106), (111, 4554), (138, 3663), (198, 2553), (207, 2442), (222, 2277), (253, 1998), (297, 1702), (333, 1518), (407, 1242), (414, 1221), (506, 999), (594, 851), (621, 814), (666, 759)]