15913503

素因数分解:

$3^4\times {\mathrm{223}}^1\times {\mathrm{881}}^1$

素因数の和:1116

約数の個数: 20

約数和(自身を含む): 23905728

約数和(自身を除く): 7992225

約数列:

[1, 3, 9, 27, 81, 223, 669, 881, 2007, 2643, 6021, 7929, 18063, 23787, 71361, 196463, 589389, 1768167, 5304501, 15913503]

約数ペア:

[(1, 15913503), (3, 5304501), (9, 1768167), (27, 589389), (81, 196463), (223, 71361), (669, 23787), (881, 18063), (2007, 7929), (2643, 6021)]