1201875

素因数分解:

$3^1\times 5^4\times {\mathrm{641}}^1$

素因数の和:664

約数の個数: 20

約数和(自身を含む): 2005608

約数和(自身を除く): 803733

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 625, 641, 1875, 1923, 3205, 9615, 16025, 48075, 80125, 240375, 400625, 1201875]

約数ペア:

[(1, 1201875), (3, 400625), (5, 240375), (15, 80125), (25, 48075), (75, 16025), (125, 9615), (375, 3205), (625, 1923), (641, 1875)]