646263969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{23981}}^1$

素因数の和:24688

約数の個数: 16

約数和(自身を含む): 929350464

約数和(自身を除く): 283086495

約数列:

[1, 3, 13, 39, 691, 2073, 8983, 23981, 26949, 71943, 311753, 935259, 16570871, 49712613, 215421323, 646263969]

約数ペア:

[(1, 646263969), (3, 215421323), (13, 49712613), (39, 16570871), (691, 935259), (2073, 311753), (8983, 71943), (23981, 26949)]