28831287

素因数分解:

$3^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1\times {\mathrm{509}}^1$

素因数の和:830

約数の個数: 16

約数和(自身を含む): 39168000

約数和(自身を除く): 10336713

約数列:

[1, 3, 79, 237, 239, 509, 717, 1527, 18881, 40211, 56643, 120633, 121651, 364953, 9610429, 28831287]

約数ペア:

[(1, 28831287), (3, 9610429), (79, 364953), (237, 121651), (239, 120633), (509, 56643), (717, 40211), (1527, 18881)]