1640783991

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{7102961}}^1$

素因数の和:7102982

約数の個数: 16

約数和(自身を含む): 2727537408

約数和(自身を除く): 1086753417

約数列:

[1, 3, 7, 11, 21, 33, 77, 231, 7102961, 21308883, 49720727, 78132571, 149162181, 234397713, 546927997, 1640783991]

約数ペア:

[(1, 1640783991), (3, 546927997), (7, 234397713), (11, 149162181), (21, 78132571), (33, 49720727), (77, 21308883), (231, 7102961)]