208519421

素因数分解:

${\mathrm{11}}^2\times {\mathrm{181}}^1\times {\mathrm{9521}}^1$

素因数の和:9724

約数の個数: 12

約数和(自身を含む): 230489532

約数和(自身を除く): 21970111

約数列:

[1, 11, 121, 181, 1991, 9521, 21901, 104731, 1152041, 1723301, 18956311, 208519421]

約数ペア:

[(1, 208519421), (11, 18956311), (121, 1723301), (181, 1152041), (1991, 104731), (9521, 21901)]