16691229

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{859}}^1$

素因数の和:1009

約数の個数: 24

約数和(自身を含む): 25758720

約数和(自身を除く): 9067491

約数列:

[1, 3, 9, 17, 51, 127, 153, 381, 859, 1143, 2159, 2577, 6477, 7731, 14603, 19431, 43809, 109093, 131427, 327279, 981837, 1854581, 5563743, 16691229]

約数ペア:

[(1, 16691229), (3, 5563743), (9, 1854581), (17, 981837), (51, 327279), (127, 131427), (153, 109093), (381, 43809), (859, 19431), (1143, 14603), (2159, 7731), (2577, 6477)]