28170075

素因数分解:

$3^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{9161}}^1$

素因数の和:9215

約数の個数: 24

約数和(自身を含む): 47715696

約数和(自身を除く): 19545621

約数列:

[1, 3, 5, 15, 25, 41, 75, 123, 205, 615, 1025, 3075, 9161, 27483, 45805, 137415, 229025, 375601, 687075, 1126803, 1878005, 5634015, 9390025, 28170075]

約数ペア:

[(1, 28170075), (3, 9390025), (5, 5634015), (15, 1878005), (25, 1126803), (41, 687075), (75, 375601), (123, 229025), (205, 137415), (615, 45805), (1025, 27483), (3075, 9161)]