81710253

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{2803}}^1$

素因数の和:2929

約数の個数: 24

約数和(自身を含む): 122478720

約数和(自身を除く): 40768467

約数列:

[1, 3, 9, 41, 79, 123, 237, 369, 711, 2803, 3239, 8409, 9717, 25227, 29151, 114923, 221437, 344769, 664311, 1034307, 1992933, 9078917, 27236751, 81710253]

約数ペア:

[(1, 81710253), (3, 27236751), (9, 9078917), (41, 1992933), (79, 1034307), (123, 664311), (237, 344769), (369, 221437), (711, 114923), (2803, 29151), (3239, 25227), (8409, 9717)]