206545875

素因数分解:

$3^1\times 5^3\times {\mathrm{550789}}^1$

素因数の和:550807

約数の個数: 16

約数和(自身を含む): 343692960

約数和(自身を除く): 137147085

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 550789, 1652367, 2753945, 8261835, 13769725, 41309175, 68848625, 206545875]

約数ペア:

[(1, 206545875), (3, 68848625), (5, 41309175), (15, 13769725), (25, 8261835), (75, 2753945), (125, 1652367), (375, 550789)]