31971342

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{409889}}^1$

素因数の和:409907

約数の個数: 16

約数和(自身を含む): 68861520

約数和(自身を除く): 36890178

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 409889, 819778, 1229667, 2459334, 5328557, 10657114, 15985671, 31971342]

約数ペア:

[(1, 31971342), (2, 15985671), (3, 10657114), (6, 5328557), (13, 2459334), (26, 1229667), (39, 819778), (78, 409889)]