28905729

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{5297}}^1$

素因数の和:5424

約数の個数: 16

約数和(自身を含む): 41197248

約数和(自身を除く): 12291519

約数列:

[1, 3, 17, 51, 107, 321, 1819, 5297, 5457, 15891, 90049, 270147, 566779, 1700337, 9635243, 28905729]

約数ペア:

[(1, 28905729), (3, 9635243), (17, 1700337), (51, 566779), (107, 270147), (321, 90049), (1819, 15891), (5297, 5457)]