219609825

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{172243}}^1$

素因数の和:172273

約数の個数: 24

約数和(自身を含む): 384448608

約数和(自身を除く): 164838783

約数列:

[1, 3, 5, 15, 17, 25, 51, 75, 85, 255, 425, 1275, 172243, 516729, 861215, 2583645, 2928131, 4306075, 8784393, 12918225, 14640655, 43921965, 73203275, 219609825]

約数ペア:

[(1, 219609825), (3, 73203275), (5, 43921965), (15, 14640655), (17, 12918225), (25, 8784393), (51, 4306075), (75, 2928131), (85, 2583645), (255, 861215), (425, 516729), (1275, 172243)]