127640907

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{191}}^1\times {\mathrm{467}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 194088960

約数和(自身を除く): 66448053

約数列:

[1, 3, 9, 27, 53, 159, 191, 467, 477, 573, 1401, 1431, 1719, 4203, 5157, 10123, 12609, 24751, 30369, 74253, 89197, 91107, 222759, 267591, 273321, 668277, 802773, 2408319, 4727441, 14182323, 42546969, 127640907]

約数ペア:

[(1, 127640907), (3, 42546969), (9, 14182323), (27, 4727441), (53, 2408319), (159, 802773), (191, 668277), (467, 273321), (477, 267591), (573, 222759), (1401, 91107), (1431, 89197), (1719, 74253), (4203, 30369), (5157, 24751), (10123, 12609)]