4647447

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1039}}^1$

素因数の和:1123

約数の個数: 24

約数和(自身を含む): 7787520

約数和(自身を除く): 3140073

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1039, 1491, 3117, 4473, 7273, 9351, 21819, 65457, 73769, 221307, 516383, 663921, 1549149, 4647447]

約数ペア:

[(1, 4647447), (3, 1549149), (7, 663921), (9, 516383), (21, 221307), (63, 73769), (71, 65457), (213, 21819), (497, 9351), (639, 7273), (1039, 4473), (1491, 3117)]