15989979

素因数分解:

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

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 22729248

約数和(自身を除く): 6739269

約数列:

[1, 3, 17, 51, 157, 471, 1997, 2669, 5991, 8007, 33949, 101847, 313529, 940587, 5329993, 15989979]

約数ペア:

[(1, 15989979), (3, 5329993), (17, 940587), (51, 313529), (157, 101847), (471, 33949), (1997, 8007), (2669, 5991)]