81732609

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{8707}}^1$

素因数の和:8869

約数の個数: 24

約数和(自身を含む): 135844800

約数和(自身を除く): 54112191

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 8707, 9387, 26121, 60949, 78363, 182847, 548541, 1297343, 3892029, 9081401, 11676087, 27244203, 81732609]

約数ペア:

[(1, 81732609), (3, 27244203), (7, 11676087), (9, 9081401), (21, 3892029), (63, 1297343), (149, 548541), (447, 182847), (1043, 78363), (1341, 60949), (3129, 26121), (8707, 9387)]