2940225

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1$

素因数の和:409

約数の個数: 24

約数和(自身を含む): 4910400

約数和(自身を除く): 1970175

約数列:

[1, 3, 5, 15, 25, 75, 197, 199, 591, 597, 985, 995, 2955, 2985, 4925, 4975, 14775, 14925, 39203, 117609, 196015, 588045, 980075, 2940225]

約数ペア:

[(1, 2940225), (3, 980075), (5, 588045), (15, 196015), (25, 117609), (75, 39203), (197, 14925), (199, 14775), (591, 4975), (597, 4925), (985, 2985), (995, 2955)]