990459999

素因数分解:

$3^2\times {\mathrm{47}}^1\times {\mathrm{83}}^1\times {\mathrm{28211}}^1$

素因数の和:28347

約数の個数: 24

約数和(自身を含む): 1478760192

約数和(自身を除く): 488300193

約数列:

[1, 3, 9, 47, 83, 141, 249, 423, 747, 3901, 11703, 28211, 35109, 84633, 253899, 1325917, 2341513, 3977751, 7024539, 11933253, 21073617, 110051111, 330153333, 990459999]

約数ペア:

[(1, 990459999), (3, 330153333), (9, 110051111), (47, 21073617), (83, 11933253), (141, 7024539), (249, 3977751), (423, 2341513), (747, 1325917), (3901, 253899), (11703, 84633), (28211, 35109)]