1817559

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{1181}}^1$

素因数の和:1212

約数の個数: 20

約数和(自身を含む): 2860440

約数和(自身を除く): 1042881

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1181, 1539, 3543, 10629, 22439, 31887, 67317, 95661, 201951, 605853, 1817559]

約数ペア:

[(1, 1817559), (3, 605853), (9, 201951), (19, 95661), (27, 67317), (57, 31887), (81, 22439), (171, 10629), (513, 3543), (1181, 1539)]