18135537

素因数分解:

$3^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{1153}}^1$

素因数の和:1277

約数の個数: 24

約数和(自身を含む): 28416096

約数和(自身を除く): 10280559

約数列:

[1, 3, 7, 21, 49, 107, 147, 321, 749, 1153, 2247, 3459, 5243, 8071, 15729, 24213, 56497, 123371, 169491, 370113, 863597, 2590791, 6045179, 18135537]

約数ペア:

[(1, 18135537), (3, 6045179), (7, 2590791), (21, 863597), (49, 370113), (107, 169491), (147, 123371), (321, 56497), (749, 24213), (1153, 15729), (2247, 8071), (3459, 5243)]