31981191

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{97}}^2\times {\mathrm{103}}^1$

素因数の和:311

約数の個数: 24

約数和(自身を含む): 47458944

約数和(自身を除く): 15477753

約数列:

[1, 3, 11, 33, 97, 103, 291, 309, 1067, 1133, 3201, 3399, 9409, 9991, 28227, 29973, 103499, 109901, 310497, 329703, 969127, 2907381, 10660397, 31981191]

約数ペア:

[(1, 31981191), (3, 10660397), (11, 2907381), (33, 969127), (97, 329703), (103, 310497), (291, 109901), (309, 103499), (1067, 29973), (1133, 28227), (3201, 9991), (3399, 9409)]