87072321

素因数分解:

$3^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{6571}}^1$

素因数の和:7212

約数の個数: 16

約数和(自身を含む): 132912128

約数和(自身を除く): 45839807

約数列:

[1, 3, 7, 21, 631, 1893, 4417, 6571, 13251, 19713, 45997, 137991, 4146301, 12438903, 29024107, 87072321]

約数ペア:

[(1, 87072321), (3, 29024107), (7, 12438903), (21, 4146301), (631, 137991), (1893, 45997), (4417, 19713), (6571, 13251)]