778021281

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{95101}}^1$

素因数の和:95214

約数の個数: 20

約数和(自身を含む): 1173748884

約数和(自身を除く): 395727603

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 95101, 285303, 855909, 2567727, 7703181, 9605201, 28815603, 86446809, 259340427, 778021281]

約数ペア:

[(1, 778021281), (3, 259340427), (9, 86446809), (27, 28815603), (81, 9605201), (101, 7703181), (303, 2567727), (909, 855909), (2727, 285303), (8181, 95101)]