67818921

素因数分解:

$3^1\times {\mathrm{163}}^1\times {\mathrm{331}}^1\times {\mathrm{419}}^1$

素因数の和:916

約数の個数: 16

約数和(自身を含む): 91472640

約数和(自身を除く): 23653719

約数列:

[1, 3, 163, 331, 419, 489, 993, 1257, 53953, 68297, 138689, 161859, 204891, 416067, 22606307, 67818921]

約数ペア:

[(1, 67818921), (3, 22606307), (163, 416067), (331, 204891), (419, 161859), (489, 138689), (993, 68297), (1257, 53953)]