7948521

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1777}}^1$

素因数の和:1861

約数の個数: 24

約数和(自身を含む): 13313664

約数和(自身を除く): 5365143

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 1777, 4473, 5331, 12439, 15993, 37317, 111951, 126167, 378501, 883169, 1135503, 2649507, 7948521]

約数ペア:

[(1, 7948521), (3, 2649507), (7, 1135503), (9, 883169), (21, 378501), (63, 126167), (71, 111951), (213, 37317), (497, 15993), (639, 12439), (1491, 5331), (1777, 4473)]