28861521

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{13963}}^1$

素因数の和:14032

約数の個数: 16

約数和(自身を含む): 42227136

約数和(自身を除く): 13365615

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 13963, 41889, 181519, 544557, 740039, 2220117, 9620507, 28861521]

約数ペア:

[(1, 28861521), (3, 9620507), (13, 2220117), (39, 740039), (53, 544557), (159, 181519), (689, 41889), (2067, 13963)]