489189921

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{644519}}^1$

素因数の和:644556

約数の個数: 16

約数和(自身を含む): 742487040

約数和(自身を除く): 253297119

約数列:

[1, 3, 11, 23, 33, 69, 253, 759, 644519, 1933557, 7089709, 14823937, 21269127, 44471811, 163063307, 489189921]

約数ペア:

[(1, 489189921), (3, 163063307), (11, 44471811), (23, 21269127), (33, 14823937), (69, 7089709), (253, 1933557), (759, 644519)]