3156489

素因数分解:

$3^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1$

素因数の和:331

約数の個数: 40

約数和(自身を含む): 5691840

約数和(自身を除く): 2535351

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 293, 399, 513, 567, 879, 1197, 1539, 2051, 2637, 3591, 5567, 6153, 7911, 10773, 16701, 18459, 23733, 38969, 50103, 55377, 116907, 150309, 166131, 350721, 450927, 1052163, 3156489]

約数ペア:

[(1, 3156489), (3, 1052163), (7, 450927), (9, 350721), (19, 166131), (21, 150309), (27, 116907), (57, 55377), (63, 50103), (81, 38969), (133, 23733), (171, 18459), (189, 16701), (293, 10773), (399, 7911), (513, 6153), (567, 5567), (879, 3591), (1197, 2637), (1539, 2051)]