278128863

素因数分解:

$3^3\times {\mathrm{151}}^1\times {\mathrm{68219}}^1$

素因数の和:68379

約数の個数: 16

約数和(自身を含む): 414777600

約数和(自身を除く): 136648737

約数列:

[1, 3, 9, 27, 151, 453, 1359, 4077, 68219, 204657, 613971, 1841913, 10301069, 30903207, 92709621, 278128863]

約数ペア:

[(1, 278128863), (3, 92709621), (9, 30903207), (27, 10301069), (151, 1841913), (453, 613971), (1359, 204657), (4077, 68219)]