218361693

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{19991}}^1$

素因数の和:20336

約数の個数: 16

約数和(自身を含む): 318592512

約数和(自身を除く): 100230819

約数列:

[1, 3, 11, 33, 331, 993, 3641, 10923, 19991, 59973, 219901, 659703, 6617021, 19851063, 72787231, 218361693]

約数ペア:

[(1, 218361693), (3, 72787231), (11, 19851063), (33, 6617021), (331, 659703), (993, 219901), (3641, 59973), (10923, 19991)]