218991207

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{1231}}^1\times {\mathrm{3121}}^1$

素因数の和:4374

約数の個数: 16

約数和(自身を含む): 307704320

約数和(自身を除く): 88713113

約数列:

[1, 3, 19, 57, 1231, 3121, 3693, 9363, 23389, 59299, 70167, 177897, 3841951, 11525853, 72997069, 218991207]

約数ペア:

[(1, 218991207), (3, 72997069), (19, 11525853), (57, 3841951), (1231, 177897), (3121, 70167), (3693, 59299), (9363, 23389)]