16881225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{4789}}^1$

素因数の和:4849

約数の個数: 24

約数和(自身を含む): 28510080

約数和(自身を除く): 11628855

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 4789, 14367, 23945, 71835, 119725, 225083, 359175, 675249, 1125415, 3376245, 5627075, 16881225]

約数ペア:

[(1, 16881225), (3, 5627075), (5, 3376245), (15, 1125415), (25, 675249), (47, 359175), (75, 225083), (141, 119725), (235, 71835), (705, 23945), (1175, 14367), (3525, 4789)]