220890243

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{108439}}^1$

素因数の和:108546

約数の個数: 16

約数和(自身を含む): 340067840

約数和(自身を除く): 119177597

約数列:

[1, 3, 7, 21, 97, 291, 679, 2037, 108439, 325317, 759073, 2277219, 10518583, 31555749, 73630081, 220890243]

約数ペア:

[(1, 220890243), (3, 73630081), (7, 31555749), (21, 10518583), (97, 2277219), (291, 759073), (679, 325317), (2037, 108439)]