64388985

素因数分解:

$3^1\times 5^1\times {\mathrm{179}}^1\times {\mathrm{23981}}^1$

素因数の和:24168

約数の個数: 16

約数和(自身を含む): 103602240

約数和(自身を除く): 39213255

約数列:

[1, 3, 5, 15, 179, 537, 895, 2685, 23981, 71943, 119905, 359715, 4292599, 12877797, 21462995, 64388985]

約数ペア:

[(1, 64388985), (3, 21462995), (5, 12877797), (15, 4292599), (179, 359715), (537, 119905), (895, 71943), (2685, 23981)]