81218142

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{104933}}^1$

素因数の和:104984

約数の個数: 24

約数和(自身を含む): 180066744

約数和(自身を除く): 98848602

約数列:

[1, 2, 3, 6, 9, 18, 43, 86, 129, 258, 387, 774, 104933, 209866, 314799, 629598, 944397, 1888794, 4512119, 9024238, 13536357, 27072714, 40609071, 81218142]

約数ペア:

[(1, 81218142), (2, 40609071), (3, 27072714), (6, 13536357), (9, 9024238), (18, 4512119), (43, 1888794), (86, 944397), (129, 629598), (258, 314799), (387, 209866), (774, 104933)]