420494115

素因数分解:

$3^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{21221}}^1$

素因数の和:22550

約数の個数: 16

約数和(自身を含む): 673331616

約数和(自身を除く): 252837501

約数列:

[1, 3, 5, 15, 1321, 3963, 6605, 19815, 21221, 63663, 106105, 318315, 28032941, 84098823, 140164705, 420494115]

約数ペア:

[(1, 420494115), (3, 140164705), (5, 84098823), (15, 28032941), (1321, 318315), (3963, 106105), (6605, 63663), (19815, 21221)]