2577591

素因数分解:

$3^2\times {\mathrm{17}}^2\times {\mathrm{991}}^1$

素因数の和:1031

約数の個数: 18

約数和(自身を含む): 3959072

約数和(自身を除く): 1381481

約数列:

[1, 3, 9, 17, 51, 153, 289, 867, 991, 2601, 2973, 8919, 16847, 50541, 151623, 286399, 859197, 2577591]

約数ペア:

[(1, 2577591), (3, 859197), (9, 286399), (17, 151623), (51, 50541), (153, 16847), (289, 8919), (867, 2973), (991, 2601)]