197109

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{181}}^1$

素因数の和:209

約数の個数: 18

約数和(自身を含む): 314678

約数和(自身を除く): 117569

約数列:

[1, 3, 9, 11, 33, 99, 121, 181, 363, 543, 1089, 1629, 1991, 5973, 17919, 21901, 65703, 197109]

約数ペア:

[(1, 197109), (3, 65703), (9, 21901), (11, 17919), (33, 5973), (99, 1991), (121, 1629), (181, 1089), (363, 543)]