31111317

素因数分解:

$3^3\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:390

約数の個数: 32

約数和(自身を含む): 47759360

約数和(自身を除く): 16648043

約数列:

[1, 3, 9, 27, 43, 127, 129, 211, 381, 387, 633, 1143, 1161, 1899, 3429, 5461, 5697, 9073, 16383, 26797, 27219, 49149, 80391, 81657, 147447, 241173, 244971, 723519, 1152271, 3456813, 10370439, 31111317]

約数ペア:

[(1, 31111317), (3, 10370439), (9, 3456813), (27, 1152271), (43, 723519), (127, 244971), (129, 241173), (211, 147447), (381, 81657), (387, 80391), (633, 49149), (1143, 27219), (1161, 26797), (1899, 16383), (3429, 9073), (5461, 5697)]