997907001

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{522191}}^1$

素因数の和:522221

約数の個数: 24

約数和(自身を含む): 1666836864

約数和(自身を除く): 668929863

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1911, 522191, 1566573, 3655337, 6788483, 10966011, 20365449, 25587359, 47519381, 76762077, 142558143, 332635667, 997907001]

約数ペア:

[(1, 997907001), (3, 332635667), (7, 142558143), (13, 76762077), (21, 47519381), (39, 25587359), (49, 20365449), (91, 10966011), (147, 6788483), (273, 3655337), (637, 1566573), (1911, 522191)]