248865315

素因数分解:

$3^1\times 5^1\times {\mathrm{647}}^1\times {\mathrm{25643}}^1$

素因数の和:26298

約数の個数: 16

約数和(自身を含む): 398815488

約数和(自身を除く): 149950173

約数列:

[1, 3, 5, 15, 647, 1941, 3235, 9705, 25643, 76929, 128215, 384645, 16591021, 49773063, 82955105, 248865315]

約数ペア:

[(1, 248865315), (3, 82955105), (5, 49773063), (15, 16591021), (647, 384645), (1941, 128215), (3235, 76929), (9705, 25643)]