20125503

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{1453}}^1$

素因数の和:1490

約数の個数: 28

約数和(自身を含む): 31784440

約数和(自身を除く): 11658937

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1453, 1539, 4359, 4617, 13077, 13851, 27607, 39231, 82821, 117693, 248463, 353079, 745389, 1059237, 2236167, 6708501, 20125503]

約数ペア:

[(1, 20125503), (3, 6708501), (9, 2236167), (19, 1059237), (27, 745389), (57, 353079), (81, 248463), (171, 117693), (243, 82821), (513, 39231), (729, 27607), (1453, 13851), (1539, 13077), (4359, 4617)]