199199007

素因数分解:

$3^5\times 7^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:850

約数の個数: 48

約数和(自身を含む): 343429632

約数和(自身を除く): 144230625

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 181, 189, 243, 543, 567, 647, 1267, 1629, 1701, 1941, 3801, 4529, 4887, 5823, 11403, 13587, 14661, 17469, 34209, 40761, 43983, 52407, 102627, 117107, 122283, 157221, 307881, 351321, 366849, 819749, 1053963, 1100547, 2459247, 3161889, 7377741, 9485667, 22133223, 28457001, 66399669, 199199007]

約数ペア:

[(1, 199199007), (3, 66399669), (7, 28457001), (9, 22133223), (21, 9485667), (27, 7377741), (63, 3161889), (81, 2459247), (181, 1100547), (189, 1053963), (243, 819749), (543, 366849), (567, 351321), (647, 307881), (1267, 157221), (1629, 122283), (1701, 117107), (1941, 102627), (3801, 52407), (4529, 43983), (4887, 40761), (5823, 34209), (11403, 17469), (13587, 14661)]