80865459

素因数分解:

$3^4\times {\mathrm{59}}^1\times {\mathrm{16921}}^1$

素因数の和:16992

約数の個数: 20

約数和(自身を含む): 122853720

約数和(自身を除く): 41988261

約数列:

[1, 3, 9, 27, 59, 81, 177, 531, 1593, 4779, 16921, 50763, 152289, 456867, 998339, 1370601, 2995017, 8985051, 26955153, 80865459]

約数ペア:

[(1, 80865459), (3, 26955153), (9, 8985051), (27, 2995017), (59, 1370601), (81, 998339), (177, 456867), (531, 152289), (1593, 50763), (4779, 16921)]