214775

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{71}}^1$

素因数の和:103

約数の個数: 18

約数和(自身を含む): 296856

約数和(自身を除く): 82081

約数列:

[1, 5, 11, 25, 55, 71, 121, 275, 355, 605, 781, 1775, 3025, 3905, 8591, 19525, 42955, 214775]

約数ペア:

[(1, 214775), (5, 42955), (11, 19525), (25, 8591), (55, 3905), (71, 3025), (121, 1775), (275, 781), (355, 605)]