81909429

素因数分解:

$3^1\times 7^3\times {\mathrm{79601}}^1$

素因数の和:79625

約数の個数: 16

約数和(自身を含む): 127363200

約数和(自身を除く): 45453771

約数列:

[1, 3, 7, 21, 49, 147, 343, 1029, 79601, 238803, 557207, 1671621, 3900449, 11701347, 27303143, 81909429]

約数ペア:

[(1, 81909429), (3, 27303143), (7, 11701347), (21, 3900449), (49, 1671621), (147, 557207), (343, 238803), (1029, 79601)]