12028905

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{4243}}^1$

素因数の和:4267

約数の個数: 40

約数和(自身を含む): 24649152

約数和(自身を除く): 12620247

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 105, 135, 189, 315, 405, 567, 945, 2835, 4243, 12729, 21215, 29701, 38187, 63645, 89103, 114561, 148505, 190935, 267309, 343683, 445515, 572805, 801927, 1336545, 1718415, 2405781, 4009635, 12028905]

約数ペア:

[(1, 12028905), (3, 4009635), (5, 2405781), (7, 1718415), (9, 1336545), (15, 801927), (21, 572805), (27, 445515), (35, 343683), (45, 267309), (63, 190935), (81, 148505), (105, 114561), (135, 89103), (189, 63645), (315, 38187), (405, 29701), (567, 21215), (945, 12729), (2835, 4243)]