21111327

素因数分解:

$3^3\times {\mathrm{601}}^1\times {\mathrm{1301}}^1$

素因数の和:1911

約数の個数: 16

約数和(自身を含む): 31352160

約数和(自身を除く): 10240833

約数列:

[1, 3, 9, 27, 601, 1301, 1803, 3903, 5409, 11709, 16227, 35127, 781901, 2345703, 7037109, 21111327]

約数ペア:

[(1, 21111327), (3, 7037109), (9, 2345703), (27, 781901), (601, 35127), (1301, 16227), (1803, 11709), (3903, 5409)]