2211231

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1811}}^1$

素因数の和:1862

約数の個数: 16

約数和(自身を含む): 3305088

約数和(自身を除く): 1093857

約数列:

[1, 3, 11, 33, 37, 111, 407, 1221, 1811, 5433, 19921, 59763, 67007, 201021, 737077, 2211231]

約数ペア:

[(1, 2211231), (3, 737077), (11, 201021), (33, 67007), (37, 59763), (111, 19921), (407, 5433), (1221, 1811)]