209320419

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{12413}}^1$

素因数の和:12507

約数の個数: 32

約数和(自身を含む): 352756224

約数和(自身を除く): 143435805

約数列:

[1, 3, 7, 11, 21, 33, 73, 77, 219, 231, 511, 803, 1533, 2409, 5621, 12413, 16863, 37239, 86891, 136543, 260673, 409629, 906149, 955801, 2718447, 2867403, 6343043, 9967639, 19029129, 29902917, 69773473, 209320419]

約数ペア:

[(1, 209320419), (3, 69773473), (7, 29902917), (11, 19029129), (21, 9967639), (33, 6343043), (73, 2867403), (77, 2718447), (219, 955801), (231, 906149), (511, 409629), (803, 260673), (1533, 136543), (2409, 86891), (5621, 37239), (12413, 16863)]