208540233

素因数分解:

$3^2\times {\mathrm{11}}^2\times {\mathrm{191497}}^1$

素因数の和:191525

約数の個数: 18

約数和(自身を含む): 331100042

約数和(自身を除く): 122559809

約数列:

[1, 3, 9, 11, 33, 99, 121, 363, 1089, 191497, 574491, 1723473, 2106467, 6319401, 18958203, 23171137, 69513411, 208540233]

約数ペア:

[(1, 208540233), (3, 69513411), (9, 23171137), (11, 18958203), (33, 6319401), (99, 2106467), (121, 1723473), (363, 574491), (1089, 191497)]