12691161

素因数分解:

$3^7\times 7^1\times {\mathrm{829}}^1$

素因数の和:857

約数の個数: 32

約数和(自身を含む): 21779200

約数和(自身を除く): 9088039

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 189, 243, 567, 729, 829, 1701, 2187, 2487, 5103, 5803, 7461, 15309, 17409, 22383, 52227, 67149, 156681, 201447, 470043, 604341, 1410129, 1813023, 4230387, 12691161]

約数ペア:

[(1, 12691161), (3, 4230387), (7, 1813023), (9, 1410129), (21, 604341), (27, 470043), (63, 201447), (81, 156681), (189, 67149), (243, 52227), (567, 22383), (729, 17409), (829, 15309), (1701, 7461), (2187, 5803), (2487, 5103)]