31178469

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:429

約数の個数: 32

約数和(自身を含む): 49040640

約数和(自身を除く): 17862171

約数列:

[1, 3, 7, 21, 53, 109, 159, 257, 327, 371, 763, 771, 1113, 1799, 2289, 5397, 5777, 13621, 17331, 28013, 40439, 40863, 84039, 95347, 121317, 196091, 286041, 588273, 1484689, 4454067, 10392823, 31178469]

約数ペア:

[(1, 31178469), (3, 10392823), (7, 4454067), (21, 1484689), (53, 588273), (109, 286041), (159, 196091), (257, 121317), (327, 95347), (371, 84039), (763, 40863), (771, 40439), (1113, 28013), (1799, 17331), (2289, 13621), (5397, 5777)]