164555979

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{6761}}^1$

素因数の和:6851

約数の個数: 32

約数和(自身を含む): 268316160

約数和(自身を除く): 103760181

約数列:

[1, 3, 7, 19, 21, 57, 61, 133, 183, 399, 427, 1159, 1281, 3477, 6761, 8113, 20283, 24339, 47327, 128459, 141981, 385377, 412421, 899213, 1237263, 2697639, 2886947, 7835999, 8660841, 23507997, 54851993, 164555979]

約数ペア:

[(1, 164555979), (3, 54851993), (7, 23507997), (19, 8660841), (21, 7835999), (57, 2886947), (61, 2697639), (133, 1237263), (183, 899213), (399, 412421), (427, 385377), (1159, 141981), (1281, 128459), (3477, 47327), (6761, 24339), (8113, 20283)]