87979521

素因数分解:

$3^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{18787}}^1$

素因数の和:19020

約数の個数: 16

約数和(自身を含む): 134672384

約数和(自身を除く): 46692863

約数列:

[1, 3, 7, 21, 223, 669, 1561, 4683, 18787, 56361, 131509, 394527, 4189501, 12568503, 29326507, 87979521]

約数ペア:

[(1, 87979521), (3, 29326507), (7, 12568503), (21, 4189501), (223, 394527), (669, 131509), (1561, 56361), (4683, 18787)]