19975875

素因数分解:

$3^1\times 5^3\times {\mathrm{53269}}^1$

素因数の和:53287

約数の個数: 16

約数和(自身を含む): 33240480

約数和(自身を除く): 13264605

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 53269, 159807, 266345, 799035, 1331725, 3995175, 6658625, 19975875]

約数ペア:

[(1, 19975875), (3, 6658625), (5, 3995175), (15, 1331725), (25, 799035), (75, 266345), (125, 159807), (375, 53269)]