28161207249

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{25302073}}^1$

素因数の和:25302136

約数の個数: 16

約数和(自身を含む): 43721983872

約数和(自身を除く): 15560776623

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 25302073, 75906219, 177114511, 531343533, 1341009869, 4023029607, 9387069083, 28161207249]

約数ペア:

[(1, 28161207249), (3, 9387069083), (7, 4023029607), (21, 1341009869), (53, 531343533), (159, 177114511), (371, 75906219), (1113, 25302073)]