243291267

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{2473}}^1$

素因数の和:3139

約数の個数: 24

約数和(自身を含む): 372821904

約数和(自身を除く): 129530637

約数列:

[1, 3, 9, 17, 51, 153, 643, 1929, 2473, 5787, 7419, 10931, 22257, 32793, 42041, 98379, 126123, 378369, 1590139, 4770417, 14311251, 27032363, 81097089, 243291267]

約数ペア:

[(1, 243291267), (3, 81097089), (9, 27032363), (17, 14311251), (51, 4770417), (153, 1590139), (643, 378369), (1929, 126123), (2473, 98379), (5787, 42041), (7419, 32793), (10931, 22257)]