2015778879

素因数分解:

$3^4\times {\mathrm{151}}^1\times {\mathrm{164809}}^1$

素因数の和:164972

約数の個数: 20

約数和(自身を含む): 3031185520

約数和(自身を除く): 1015406641

約数列:

[1, 3, 9, 27, 81, 151, 453, 1359, 4077, 12231, 164809, 494427, 1483281, 4449843, 13349529, 24886159, 74658477, 223975431, 671926293, 2015778879]

約数ペア:

[(1, 2015778879), (3, 671926293), (9, 223975431), (27, 74658477), (81, 24886159), (151, 13349529), (453, 4449843), (1359, 1483281), (4077, 494427), (12231, 164809)]