28231707

素因数分解:

$3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{5231}}^1$

素因数の和:5498

約数の個数: 16

約数和(自身を含む): 43195392

約数和(自身を除く): 14963685

約数列:

[1, 3, 7, 21, 257, 771, 1799, 5231, 5397, 15693, 36617, 109851, 1344367, 4033101, 9410569, 28231707]

約数ペア:

[(1, 28231707), (3, 9410569), (7, 4033101), (21, 1344367), (257, 109851), (771, 36617), (1799, 15693), (5231, 5397)]