217432827

素因数分解:

$3^2\times {\mathrm{19}}^2\times {\mathrm{66923}}^1$

素因数の和:66967

約数の個数: 18

約数和(自身を含む): 331474572

約数和(自身を除く): 114041745

約数列:

[1, 3, 9, 19, 57, 171, 361, 1083, 3249, 66923, 200769, 602307, 1271537, 3814611, 11443833, 24159203, 72477609, 217432827]

約数ペア:

[(1, 217432827), (3, 72477609), (9, 24159203), (19, 11443833), (57, 3814611), (171, 1271537), (361, 602307), (1083, 200769), (3249, 66923)]