12557841

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 18662400

約数和(自身を除く): 6104559

約数列:

[1, 3, 19, 29, 57, 71, 87, 107, 213, 321, 551, 1349, 1653, 2033, 2059, 3103, 4047, 6099, 6177, 7597, 9309, 22791, 39121, 58957, 117363, 144343, 176871, 220313, 433029, 660939, 4185947, 12557841]

約数ペア:

[(1, 12557841), (3, 4185947), (19, 660939), (29, 433029), (57, 220313), (71, 176871), (87, 144343), (107, 117363), (213, 58957), (321, 39121), (551, 22791), (1349, 9309), (1653, 7597), (2033, 6177), (2059, 6099), (3103, 4047)]