664173867

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1860431}}^1$

素因数の和:1860458

約数の個数: 16

約数和(自身を含む): 1071608832

約数和(自身を除く): 407434965

約数列:

[1, 3, 7, 17, 21, 51, 119, 357, 1860431, 5581293, 13023017, 31627327, 39069051, 94881981, 221391289, 664173867]

約数ペア:

[(1, 664173867), (3, 221391289), (7, 94881981), (17, 39069051), (21, 31627327), (51, 13023017), (119, 5581293), (357, 1860431)]