28520961

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 45293568

約数和(自身を除く): 16772607

約数列:

[1, 3, 7, 21, 31, 93, 193, 217, 227, 579, 651, 681, 1351, 1589, 4053, 4767, 5983, 7037, 17949, 21111, 41881, 43811, 49259, 125643, 131433, 147777, 306677, 920031, 1358141, 4074423, 9506987, 28520961]

約数ペア:

[(1, 28520961), (3, 9506987), (7, 4074423), (21, 1358141), (31, 920031), (93, 306677), (193, 147777), (217, 131433), (227, 125643), (579, 49259), (651, 43811), (681, 41881), (1351, 21111), (1589, 17949), (4053, 7037), (4767, 5983)]