778974327

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{418129}}^1$

素因数の和:418164

約数の個数: 20

約数和(自身を含む): 1214249520

約数和(自身を除く): 435275193

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 418129, 1254387, 3763161, 9616967, 11289483, 28850901, 33868449, 86552703, 259658109, 778974327]

約数ペア:

[(1, 778974327), (3, 259658109), (9, 86552703), (23, 33868449), (27, 28850901), (69, 11289483), (81, 9616967), (207, 3763161), (621, 1254387), (1863, 418129)]