207869727

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1997}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 318209472

約数和(自身を除く): 110339745

約数列:

[1, 3, 13, 17, 39, 51, 157, 221, 471, 663, 1997, 2041, 2669, 5991, 6123, 8007, 25961, 33949, 34697, 77883, 101847, 104091, 313529, 441337, 940587, 1324011, 4075877, 5329993, 12227631, 15989979, 69289909, 207869727]

約数ペア:

[(1, 207869727), (3, 69289909), (13, 15989979), (17, 12227631), (39, 5329993), (51, 4075877), (157, 1324011), (221, 940587), (471, 441337), (663, 313529), (1997, 104091), (2041, 101847), (2669, 77883), (5991, 34697), (6123, 33949), (8007, 25961)]