199972875

素因数分解:

$3^1\times 5^3\times {\mathrm{533261}}^1$

素因数の和:533279

約数の個数: 16

約数和(自身を含む): 332755488

約数和(自身を除く): 132782613

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 533261, 1599783, 2666305, 7998915, 13331525, 39994575, 66657625, 199972875]

約数ペア:

[(1, 199972875), (3, 66657625), (5, 39994575), (15, 13331525), (25, 7998915), (75, 2666305), (125, 1599783), (375, 533261)]