2165775

素因数分解:

$3^1\times 5^2\times {\mathrm{67}}^1\times {\mathrm{431}}^1$

素因数の和:511

約数の個数: 24

約数和(自身を含む): 3642624

約数和(自身を除く): 1476849

約数列:

[1, 3, 5, 15, 25, 67, 75, 201, 335, 431, 1005, 1293, 1675, 2155, 5025, 6465, 10775, 28877, 32325, 86631, 144385, 433155, 721925, 2165775]

約数ペア:

[(1, 2165775), (3, 721925), (5, 433155), (15, 144385), (25, 86631), (67, 32325), (75, 28877), (201, 10775), (335, 6465), (431, 5025), (1005, 2155), (1293, 1675)]