221584701

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{18269}}^1$

素因数の和:18596

約数の個数: 16

約数和(自身を含む): 319213440

約数和(自身を除く): 97628739

約数列:

[1, 3, 13, 39, 311, 933, 4043, 12129, 18269, 54807, 237497, 712491, 5681659, 17044977, 73861567, 221584701]

約数ペア:

[(1, 221584701), (3, 73861567), (13, 17044977), (39, 5681659), (311, 712491), (933, 237497), (4043, 54807), (12129, 18269)]