129219219

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{22469}}^1$

素因数の和:22552

約数の個数: 20

約数和(自身を含む): 195758640

約数和(自身を除く): 66539421

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 22469, 67407, 202221, 606663, 1595299, 1819989, 4785897, 14357691, 43073073, 129219219]

約数ペア:

[(1, 129219219), (3, 43073073), (9, 14357691), (27, 4785897), (71, 1819989), (81, 1595299), (213, 606663), (639, 202221), (1917, 67407), (5751, 22469)]