16522947

素因数分解:

$3^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:230

約数の個数: 60

約数和(自身を含む): 30126096

約数和(自身を除く): 13603149

約数列:

[1, 3, 7, 9, 21, 23, 27, 49, 63, 69, 81, 147, 161, 181, 189, 207, 441, 483, 543, 567, 621, 1127, 1267, 1323, 1449, 1629, 1863, 3381, 3801, 3969, 4163, 4347, 4887, 8869, 10143, 11403, 12489, 13041, 14661, 26607, 29141, 30429, 34209, 37467, 79821, 87423, 91287, 102627, 112401, 203987, 239463, 262269, 337203, 611961, 718389, 786807, 1835883, 2360421, 5507649, 16522947]

約数ペア:

[(1, 16522947), (3, 5507649), (7, 2360421), (9, 1835883), (21, 786807), (23, 718389), (27, 611961), (49, 337203), (63, 262269), (69, 239463), (81, 203987), (147, 112401), (161, 102627), (181, 91287), (189, 87423), (207, 79821), (441, 37467), (483, 34209), (543, 30429), (567, 29141), (621, 26607), (1127, 14661), (1267, 13041), (1323, 12489), (1449, 11403), (1629, 10143), (1863, 8869), (3381, 4887), (3801, 4347), (3969, 4163)]