30991347

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{1097}}^1$

素因数の和:1219

約数の個数: 24

約数和(自身を含む): 46476144

約数和(自身を除く): 15484797

約数列:

[1, 3, 9, 43, 73, 129, 219, 387, 657, 1097, 3139, 3291, 9417, 9873, 28251, 47171, 80081, 141513, 240243, 424539, 720729, 3443483, 10330449, 30991347]

約数ペア:

[(1, 30991347), (3, 10330449), (9, 3443483), (43, 720729), (73, 424539), (129, 240243), (219, 141513), (387, 80081), (657, 47171), (1097, 28251), (3139, 9873), (3291, 9417)]