81411804

素因数分解:

$2^2\times 3^6\times {\mathrm{27919}}^1$

素因数の和:27941

約数の個数: 42

約数和(自身を含む): 213615920

約数和(自身を除く): 132204116

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 729, 972, 1458, 2916, 27919, 55838, 83757, 111676, 167514, 251271, 335028, 502542, 753813, 1005084, 1507626, 2261439, 3015252, 4522878, 6784317, 9045756, 13568634, 20352951, 27137268, 40705902, 81411804]

約数ペア:

[(1, 81411804), (2, 40705902), (3, 27137268), (4, 20352951), (6, 13568634), (9, 9045756), (12, 6784317), (18, 4522878), (27, 3015252), (36, 2261439), (54, 1507626), (81, 1005084), (108, 753813), (162, 502542), (243, 335028), (324, 251271), (486, 167514), (729, 111676), (972, 83757), (1458, 55838), (2916, 27919)]