81185307

素因数分解:

$3^1\times 7^2\times {\mathrm{67}}^1\times {\mathrm{8243}}^1$

素因数の和:8327

約数の個数: 24

約数和(自身を含む): 127814976

約数和(自身を除く): 46629669

約数列:

[1, 3, 7, 21, 49, 67, 147, 201, 469, 1407, 3283, 8243, 9849, 24729, 57701, 173103, 403907, 552281, 1211721, 1656843, 3865967, 11597901, 27061769, 81185307]

約数ペア:

[(1, 81185307), (3, 27061769), (7, 11597901), (21, 3865967), (49, 1656843), (67, 1211721), (147, 552281), (201, 403907), (469, 173103), (1407, 57701), (3283, 24729), (8243, 9849)]