81258405

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{88807}}^1$

素因数の和:88876

約数の個数: 16

約数和(自身を含む): 132146304

約数和(自身を除く): 50887899

約数列:

[1, 3, 5, 15, 61, 183, 305, 915, 88807, 266421, 444035, 1332105, 5417227, 16251681, 27086135, 81258405]

約数ペア:

[(1, 81258405), (3, 27086135), (5, 16251681), (15, 5417227), (61, 1332105), (183, 444035), (305, 266421), (915, 88807)]