81772455

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{1307}}^1$

素因数の和:1455

約数の個数: 32

約数和(自身を含む): 135362304

約数和(自身を除く): 53589849

約数列:

[1, 3, 5, 15, 43, 97, 129, 215, 291, 485, 645, 1307, 1455, 3921, 4171, 6535, 12513, 19605, 20855, 56201, 62565, 126779, 168603, 281005, 380337, 633895, 843015, 1901685, 5451497, 16354491, 27257485, 81772455]

約数ペア:

[(1, 81772455), (3, 27257485), (5, 16354491), (15, 5451497), (43, 1901685), (97, 843015), (129, 633895), (215, 380337), (291, 281005), (485, 168603), (645, 126779), (1307, 62565), (1455, 56201), (3921, 20855), (4171, 19605), (6535, 12513)]