7938903

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{197}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 12925440

約数和(自身を除く): 4986537

約数列:

[1, 3, 7, 19, 21, 57, 101, 133, 197, 303, 399, 591, 707, 1379, 1919, 2121, 3743, 4137, 5757, 11229, 13433, 19897, 26201, 40299, 59691, 78603, 139279, 378043, 417837, 1134129, 2646301, 7938903]

約数ペア:

[(1, 7938903), (3, 2646301), (7, 1134129), (19, 417837), (21, 378043), (57, 139279), (101, 78603), (133, 59691), (197, 40299), (303, 26201), (399, 19897), (591, 13433), (707, 11229), (1379, 5757), (1919, 4137), (2121, 3743)]