1279089

素因数分解:

$3^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:349

約数の個数: 24

約数和(自身を含む): 2146560

約数和(自身を除く): 867471

約数列:

[1, 3, 7, 9, 21, 63, 79, 237, 257, 553, 711, 771, 1659, 1799, 2313, 4977, 5397, 16191, 20303, 60909, 142121, 182727, 426363, 1279089]

約数ペア:

[(1, 1279089), (3, 426363), (7, 182727), (9, 142121), (21, 60909), (63, 20303), (79, 16191), (237, 5397), (257, 4977), (553, 2313), (711, 1799), (771, 1659)]