87984057

素因数分解:

$3^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{20639}}^1$

素因数の和:20685

約数の個数: 24

約数和(自身を含む): 141177600

約数和(自身を除く): 53193543

約数列:

[1, 3, 7, 21, 29, 49, 87, 147, 203, 609, 1421, 4263, 20639, 61917, 144473, 433419, 598531, 1011311, 1795593, 3033933, 4189717, 12569151, 29328019, 87984057]

約数ペア:

[(1, 87984057), (3, 29328019), (7, 12569151), (21, 4189717), (29, 3033933), (49, 1795593), (87, 1011311), (147, 598531), (203, 433419), (609, 144473), (1421, 61917), (4263, 20639)]