80955

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{257}}^1$

素因数の和:275

約数の個数: 24

約数和(自身を含む): 160992

約数和(自身を除く): 80037

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 257, 315, 771, 1285, 1799, 2313, 3855, 5397, 8995, 11565, 16191, 26985, 80955]

約数ペア:

[(1, 80955), (3, 26985), (5, 16191), (7, 11565), (9, 8995), (15, 5397), (21, 3855), (35, 2313), (45, 1799), (63, 1285), (105, 771), (257, 315)]