16991385

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4211}}^1$

素因数の和:4488

約数の個数: 16

約数和(自身を含む): 27293760

約数和(自身を除く): 10302375

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 4211, 12633, 21055, 63165, 1132759, 3398277, 5663795, 16991385]

約数ペア:

[(1, 16991385), (3, 5663795), (5, 3398277), (15, 1132759), (269, 63165), (807, 21055), (1345, 12633), (4035, 4211)]