171420057

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{727}}^1$

素因数の和:851

約数の個数: 40

約数和(自身を含む): 266378112

約数和(自身を除く): 94958055

約数列:

[1, 3, 9, 27, 41, 71, 81, 123, 213, 369, 639, 727, 1107, 1917, 2181, 2911, 3321, 5751, 6543, 8733, 19629, 26199, 29807, 51617, 58887, 78597, 89421, 154851, 235791, 268263, 464553, 804789, 1393659, 2116297, 2414367, 4180977, 6348891, 19046673, 57140019, 171420057]

約数ペア:

[(1, 171420057), (3, 57140019), (9, 19046673), (27, 6348891), (41, 4180977), (71, 2414367), (81, 2116297), (123, 1393659), (213, 804789), (369, 464553), (639, 268263), (727, 235791), (1107, 154851), (1917, 89421), (2181, 78597), (2911, 58887), (3321, 51617), (5751, 29807), (6543, 26199), (8733, 19629)]