221392005

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{359987}}^1$

素因数の和:360036

約数の個数: 16

約数和(自身を含む): 362867904

約数和(自身を除く): 141475899

約数列:

[1, 3, 5, 15, 41, 123, 205, 615, 359987, 1079961, 1799935, 5399805, 14759467, 44278401, 73797335, 221392005]

約数ペア:

[(1, 221392005), (3, 73797335), (5, 44278401), (15, 14759467), (41, 5399805), (123, 1799935), (205, 1079961), (615, 359987)]