4080447

素因数分解:

$3^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{271}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 6789120

約数和(自身を除く): 2708673

約数列:

[1, 3, 7, 9, 21, 63, 239, 271, 717, 813, 1673, 1897, 2151, 2439, 5019, 5691, 15057, 17073, 64769, 194307, 453383, 582921, 1360149, 4080447]

約数ペア:

[(1, 4080447), (3, 1360149), (7, 582921), (9, 453383), (21, 194307), (63, 64769), (239, 17073), (271, 15057), (717, 5691), (813, 5019), (1673, 2439), (1897, 2151)]