664753677

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1021127}}^1$

素因数の和:1021168

約数の個数: 16

約数和(自身を含む): 1045635072

約数和(自身を除く): 380881395

約数列:

[1, 3, 7, 21, 31, 93, 217, 651, 1021127, 3063381, 7147889, 21443667, 31654937, 94964811, 221584559, 664753677]

約数ペア:

[(1, 664753677), (3, 221584559), (7, 94964811), (21, 31654937), (31, 21443667), (93, 7147889), (217, 3063381), (651, 1021127)]