28773921

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{2557}}^1$

素因数の和:2613

約数の個数: 24

約数和(自身を含む): 43547392

約数和(自身を除く): 14773471

約数列:

[1, 3, 11, 31, 33, 93, 121, 341, 363, 1023, 2557, 3751, 7671, 11253, 28127, 79267, 84381, 237801, 309397, 871937, 928191, 2615811, 9591307, 28773921]

約数ペア:

[(1, 28773921), (3, 9591307), (11, 2615811), (31, 928191), (33, 871937), (93, 309397), (121, 237801), (341, 84381), (363, 79267), (1023, 28127), (2557, 11253), (3751, 7671)]