47640987

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{271}}^1\times {\mathrm{383}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 75202560

約数和(自身を除く): 27561573

約数列:

[1, 3, 9, 17, 27, 51, 153, 271, 383, 459, 813, 1149, 2439, 3447, 4607, 6511, 7317, 10341, 13821, 19533, 41463, 58599, 103793, 124389, 175797, 311379, 934137, 1764481, 2802411, 5293443, 15880329, 47640987]

約数ペア:

[(1, 47640987), (3, 15880329), (9, 5293443), (17, 2802411), (27, 1764481), (51, 934137), (153, 311379), (271, 175797), (383, 124389), (459, 103793), (813, 58599), (1149, 41463), (2439, 19533), (3447, 13821), (4607, 10341), (6511, 7317)]