209825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1$

素因数の和:137

約数の個数: 24

約数和(自身を含む): 327360

約数和(自身を除く): 117535

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 109, 175, 275, 385, 545, 763, 1199, 1925, 2725, 3815, 5995, 8393, 19075, 29975, 41965, 209825]

約数ペア:

[(1, 209825), (5, 41965), (7, 29975), (11, 19075), (25, 8393), (35, 5995), (55, 3815), (77, 2725), (109, 1925), (175, 1199), (275, 763), (385, 545)]