25688985

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4993}}^1$

素因数の和:5022

約数の個数: 32

約数和(自身を含む): 47942400

約数和(自身を除く): 22253415

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 4993, 5145, 14979, 24965, 34951, 74895, 104853, 174755, 244657, 524265, 733971, 1223285, 1712599, 3669855, 5137797, 8562995, 25688985]

約数ペア:

[(1, 25688985), (3, 8562995), (5, 5137797), (7, 3669855), (15, 1712599), (21, 1223285), (35, 733971), (49, 524265), (105, 244657), (147, 174755), (245, 104853), (343, 74895), (735, 34951), (1029, 24965), (1715, 14979), (4993, 5145)]