1342593

素因数分解:

$3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{211}}^1$

素因数の和:325

約数の個数: 24

約数和(自身を含む): 2248896

約数和(自身を除く): 906303

約数列:

[1, 3, 7, 9, 21, 63, 101, 211, 303, 633, 707, 909, 1477, 1899, 2121, 4431, 6363, 13293, 21311, 63933, 149177, 191799, 447531, 1342593]

約数ペア:

[(1, 1342593), (3, 447531), (7, 191799), (9, 149177), (21, 63933), (63, 21311), (101, 13293), (211, 6363), (303, 4431), (633, 2121), (707, 1899), (909, 1477)]