61581921

素因数分解:

$3^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{2207}}^1$

素因数の和:2412

約数の個数: 16

約数和(自身を含む): 83939328

約数和(自身を除く): 22357407

約数列:

[1, 3, 71, 131, 213, 393, 2207, 6621, 9301, 27903, 156697, 289117, 470091, 867351, 20527307, 61581921]

約数ペア:

[(1, 61581921), (3, 20527307), (71, 867351), (131, 470091), (213, 289117), (393, 156697), (2207, 27903), (6621, 9301)]