77681517

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{991}}^1$

素因数の和:1093

約数の個数: 32

約数和(自身を含む): 115706880

約数和(自身を除く): 38025363

約数列:

[1, 3, 17, 29, 51, 53, 87, 159, 493, 901, 991, 1479, 1537, 2703, 2973, 4611, 16847, 26129, 28739, 50541, 52523, 78387, 86217, 157569, 488563, 892891, 1465689, 1523167, 2678673, 4569501, 25893839, 77681517]

約数ペア:

[(1, 77681517), (3, 25893839), (17, 4569501), (29, 2678673), (51, 1523167), (53, 1465689), (87, 892891), (159, 488563), (493, 157569), (901, 86217), (991, 78387), (1479, 52523), (1537, 50541), (2703, 28739), (2973, 26129), (4611, 16847)]