72787221

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{207371}}^1$

素因数の和:207393

約数の個数: 16

約数和(自身を含む): 116128320

約数和(自身を除く): 43341099

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 207371, 622113, 1866339, 2695823, 5599017, 8087469, 24262407, 72787221]

約数ペア:

[(1, 72787221), (3, 24262407), (9, 8087469), (13, 5599017), (27, 2695823), (39, 1866339), (117, 622113), (351, 207371)]