31111371

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{7247}}^1$

素因数の和:7312

約数の個数: 20

約数和(自身を含む): 47358432

約数和(自身を除く): 16247061

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 7247, 21741, 65223, 195669, 384091, 587007, 1152273, 3456819, 10370457, 31111371]

約数ペア:

[(1, 31111371), (3, 10370457), (9, 3456819), (27, 1152273), (53, 587007), (81, 384091), (159, 195669), (477, 65223), (1431, 21741), (4293, 7247)]