15280731

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{9929}}^1$

素因数の和:9960

約数の個数: 20

約数和(自身を含む): 24030600

約数和(自身を除く): 8749869

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 9929, 29787, 89361, 188651, 268083, 565953, 804249, 1697859, 5093577, 15280731]

約数ペア:

[(1, 15280731), (3, 5093577), (9, 1697859), (19, 804249), (27, 565953), (57, 268083), (81, 188651), (171, 89361), (513, 29787), (1539, 9929)]