51191091

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{21961}}^1$

素因数の和:22011

約数の個数: 24

約数和(自身を含む): 86793824

約数和(自身を除く): 35602733

約数列:

[1, 3, 7, 9, 21, 37, 63, 111, 259, 333, 777, 2331, 21961, 65883, 153727, 197649, 461181, 812557, 1383543, 2437671, 5687899, 7313013, 17063697, 51191091]

約数ペア:

[(1, 51191091), (3, 17063697), (7, 7313013), (9, 5687899), (21, 2437671), (37, 1383543), (63, 812557), (111, 461181), (259, 197649), (333, 153727), (777, 65883), (2331, 21961)]