221163969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{55057}}^1$

素因数の和:55176

約数の個数: 16

約数和(自身を含む): 320657792

約数和(自身を除く): 99493823

約数列:

[1, 3, 13, 39, 103, 309, 1339, 4017, 55057, 165171, 715741, 2147223, 5670871, 17012613, 73721323, 221163969]

約数ペア:

[(1, 221163969), (3, 73721323), (13, 17012613), (39, 5670871), (103, 2147223), (309, 715741), (1339, 165171), (4017, 55057)]