221437281

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{1493}}^1\times {\mathrm{3803}}^1$

素因数の和:5312

約数の個数: 16

約数和(自身を含む): 318257856

約数和(自身を除く): 96820575

約数列:

[1, 3, 13, 39, 1493, 3803, 4479, 11409, 19409, 49439, 58227, 148317, 5677879, 17033637, 73812427, 221437281]

約数ペア:

[(1, 221437281), (3, 73812427), (13, 17033637), (39, 5677879), (1493, 148317), (3803, 58227), (4479, 49439), (11409, 19409)]