1780451589

素因数分解:

$3^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{618857}}^1$

素因数の和:619004

約数の個数: 16

約数和(自身を含む): 2732876928

約数和(自身を除く): 952425339

約数列:

[1, 3, 7, 21, 137, 411, 959, 2877, 618857, 1856571, 4331999, 12995997, 84783409, 254350227, 593483863, 1780451589]

約数ペア:

[(1, 1780451589), (3, 593483863), (7, 254350227), (21, 84783409), (137, 12995997), (411, 4331999), (959, 1856571), (2877, 618857)]