87402021

素因数分解:

$3^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{31771}}^1$

素因数の和:31912

約数の個数: 16

約数和(自身を含む): 134204928

約数和(自身を除く): 46802907

約数列:

[1, 3, 7, 21, 131, 393, 917, 2751, 31771, 95313, 222397, 667191, 4162001, 12486003, 29134007, 87402021]

約数ペア:

[(1, 87402021), (3, 29134007), (7, 12486003), (21, 4162001), (131, 667191), (393, 222397), (917, 95313), (2751, 31771)]