155970221

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{1129}}^1$

素因数の和:1820

約数の個数: 16

約数和(自身を含む): 179534400

約数和(自身を除く): 23564179

約数列:

[1, 11, 19, 209, 661, 1129, 7271, 12419, 12559, 21451, 138149, 235961, 746269, 8208959, 14179111, 155970221]

約数ペア:

[(1, 155970221), (11, 14179111), (19, 8208959), (209, 746269), (661, 235961), (1129, 138149), (7271, 21451), (12419, 12559)]