7881717

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1\times {\mathrm{461}}^1$

素因数の和:644

約数の個数: 16

約数和(自身を含む): 10866240

約数和(自身を除く): 2984523

約数列:

[1, 3, 41, 123, 139, 417, 461, 1383, 5699, 17097, 18901, 56703, 64079, 192237, 2627239, 7881717]

約数ペア:

[(1, 7881717), (3, 2627239), (41, 192237), (123, 64079), (139, 56703), (417, 18901), (461, 17097), (1383, 5699)]