81187887

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{22571}}^1$

素因数の和:22694

約数の個数: 16

約数和(自身を含む): 119180160

約数和(自身を除く): 37992273

約数列:

[1, 3, 11, 33, 109, 327, 1199, 3597, 22571, 67713, 248281, 744843, 2460239, 7380717, 27062629, 81187887]

約数ペア:

[(1, 81187887), (3, 27062629), (11, 7380717), (33, 2460239), (109, 744843), (327, 248281), (1199, 67713), (3597, 22571)]