1380249

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 2201472

約数和(自身を除く): 821223

約数列:

[1, 3, 9, 13, 39, 47, 117, 141, 251, 423, 611, 753, 1833, 2259, 3263, 5499, 9789, 11797, 29367, 35391, 106173, 153361, 460083, 1380249]

約数ペア:

[(1, 1380249), (3, 460083), (9, 153361), (13, 106173), (39, 35391), (47, 29367), (117, 11797), (141, 9789), (251, 5499), (423, 3263), (611, 2259), (753, 1833)]