3947451

素因数分解:

$3^1\times {\mathrm{17}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:223

約数の個数: 24

約数和(自身を含む): 5820720

約数和(自身を除く): 1873269

約数列:

[1, 3, 17, 29, 51, 87, 157, 289, 471, 493, 867, 1479, 2669, 4553, 8007, 8381, 13659, 25143, 45373, 77401, 136119, 232203, 1315817, 3947451]

約数ペア:

[(1, 3947451), (3, 1315817), (17, 232203), (29, 136119), (51, 77401), (87, 45373), (157, 25143), (289, 13659), (471, 8381), (493, 8007), (867, 4553), (1479, 2669)]