13319271

素因数分解:

$3^2\times 7^1\times {\mathrm{53}}^1\times {\mathrm{3989}}^1$

素因数の和:4055

約数の個数: 24

約数和(自身を含む): 22407840

約数和(自身を除く): 9088569

約数列:

[1, 3, 7, 9, 21, 53, 63, 159, 371, 477, 1113, 3339, 3989, 11967, 27923, 35901, 83769, 211417, 251307, 634251, 1479919, 1902753, 4439757, 13319271]

約数ペア:

[(1, 13319271), (3, 4439757), (7, 1902753), (9, 1479919), (21, 634251), (53, 251307), (63, 211417), (159, 83769), (371, 35901), (477, 27923), (1113, 11967), (3339, 3989)]