12895509

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 20021760

約数和(自身を除く): 7126251

約数列:

[1, 3, 11, 19, 33, 57, 131, 157, 209, 393, 471, 627, 1441, 1727, 2489, 2983, 4323, 5181, 7467, 8949, 20567, 27379, 32813, 61701, 82137, 98439, 226237, 390773, 678711, 1172319, 4298503, 12895509]

約数ペア:

[(1, 12895509), (3, 4298503), (11, 1172319), (19, 678711), (33, 390773), (57, 226237), (131, 98439), (157, 82137), (209, 61701), (393, 32813), (471, 27379), (627, 20567), (1441, 8949), (1727, 7467), (2489, 5181), (2983, 4323)]