29985921

素因数分解:

$3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{11069}}^1$

素因数の和:11125

約数の個数: 24

約数和(自身を含む): 50656320

約数和(自身を除く): 20670399

約数列:

[1, 3, 7, 9, 21, 43, 63, 129, 301, 387, 903, 2709, 11069, 33207, 77483, 99621, 232449, 475967, 697347, 1427901, 3331769, 4283703, 9995307, 29985921]

約数ペア:

[(1, 29985921), (3, 9995307), (7, 4283703), (9, 3331769), (21, 1427901), (43, 697347), (63, 475967), (129, 232449), (301, 99621), (387, 77483), (903, 33207), (2709, 11069)]