261804963

素因数分解:

$3^1\times 7^1\times {\mathrm{1423}}^1\times {\mathrm{8761}}^1$

素因数の和:10194

約数の個数: 16

約数和(自身を含む): 399266816

約数和(自身を除く): 137461853

約数列:

[1, 3, 7, 21, 1423, 4269, 8761, 9961, 26283, 29883, 61327, 183981, 12466903, 37400709, 87268321, 261804963]

約数ペア:

[(1, 261804963), (3, 87268321), (7, 37400709), (21, 12466903), (1423, 183981), (4269, 61327), (8761, 29883), (9961, 26283)]