278845551

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{251893}}^1$

素因数の和:251943

約数の個数: 16

約数和(自身を含む): 423181920

約数和(自身を除く): 144336369

約数列:

[1, 3, 9, 27, 41, 123, 369, 1107, 251893, 755679, 2267037, 6801111, 10327613, 30982839, 92948517, 278845551]

約数ペア:

[(1, 278845551), (3, 92948517), (9, 30982839), (27, 10327613), (41, 6801111), (123, 2267037), (369, 755679), (1107, 251893)]