27790791

素因数分解:

$3^1\times 7^2\times {\mathrm{97}}^1\times {\mathrm{1949}}^1$

素因数の和:2063

約数の個数: 24

約数和(自身を含む): 43570800

約数和(自身を除く): 15780009

約数列:

[1, 3, 7, 21, 49, 97, 147, 291, 679, 1949, 2037, 4753, 5847, 13643, 14259, 40929, 95501, 189053, 286503, 567159, 1323371, 3970113, 9263597, 27790791]

約数ペア:

[(1, 27790791), (3, 9263597), (7, 3970113), (21, 1323371), (49, 567159), (97, 286503), (147, 189053), (291, 95501), (679, 40929), (1949, 14259), (2037, 13643), (4753, 5847)]