81180063

素因数分解:

$3^4\times {\mathrm{101}}^1\times {\mathrm{9923}}^1$

素因数の和:10036

約数の個数: 20

約数和(自身を含む): 122482008

約数和(自身を除く): 41301945

約数列:

[1, 3, 9, 27, 81, 101, 303, 909, 2727, 8181, 9923, 29769, 89307, 267921, 803763, 1002223, 3006669, 9020007, 27060021, 81180063]

約数ペア:

[(1, 81180063), (3, 27060021), (9, 9020007), (27, 3006669), (81, 1002223), (101, 803763), (303, 267921), (909, 89307), (2727, 29769), (8181, 9923)]