643669821

素因数分解:

$3^6\times {\mathrm{19}}^1\times {\mathrm{46471}}^1$

素因数の和:46508

約数の個数: 28

約数和(自身を含む): 1015877920

約数和(自身を除く): 372208099

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 243, 513, 729, 1539, 4617, 13851, 46471, 139413, 418239, 882949, 1254717, 2648847, 3764151, 7946541, 11292453, 23839623, 33877359, 71518869, 214556607, 643669821]

約数ペア:

[(1, 643669821), (3, 214556607), (9, 71518869), (19, 33877359), (27, 23839623), (57, 11292453), (81, 7946541), (171, 3764151), (243, 2648847), (513, 1254717), (729, 882949), (1539, 418239), (4617, 139413), (13851, 46471)]