2191101

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{991}}^1$

素因数の和:1072

約数の個数: 16

約数和(自身を含む): 3237888

約数和(自身を除く): 1046787

約数列:

[1, 3, 11, 33, 67, 201, 737, 991, 2211, 2973, 10901, 32703, 66397, 199191, 730367, 2191101]

約数ペア:

[(1, 2191101), (3, 730367), (11, 199191), (33, 66397), (67, 32703), (201, 10901), (737, 2973), (991, 2211)]