81872028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{324889}}^1$

素因数の和:324906

約数の個数: 36

約数和(自身を含む): 236519920

約数和(自身を除く): 154647892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 324889, 649778, 974667, 1299556, 1949334, 2274223, 2924001, 3898668, 4548446, 5848002, 6822669, 9096892, 11696004, 13645338, 20468007, 27290676, 40936014, 81872028]

約数ペア:

[(1, 81872028), (2, 40936014), (3, 27290676), (4, 20468007), (6, 13645338), (7, 11696004), (9, 9096892), (12, 6822669), (14, 5848002), (18, 4548446), (21, 3898668), (28, 2924001), (36, 2274223), (42, 1949334), (63, 1299556), (84, 974667), (126, 649778), (252, 324889)]