1274391

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:175

約数の個数: 24

約数和(自身を含む): 1956240

約数和(自身を除く): 681849

約数列:

[1, 3, 9, 37, 43, 89, 111, 129, 267, 333, 387, 801, 1591, 3293, 3827, 4773, 9879, 11481, 14319, 29637, 34443, 141599, 424797, 1274391]

約数ペア:

[(1, 1274391), (3, 424797), (9, 141599), (37, 34443), (43, 29637), (89, 14319), (111, 11481), (129, 9879), (267, 4773), (333, 3827), (387, 3293), (801, 1591)]