78857823

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{971}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 120932352

約数和(自身を除く): 42074529

約数列:

[1, 3, 11, 23, 33, 69, 107, 253, 321, 759, 971, 1177, 2461, 2913, 3531, 7383, 10681, 22333, 27071, 32043, 66999, 81213, 103897, 245663, 311691, 736989, 1142867, 2389631, 3428601, 7168893, 26285941, 78857823]

約数ペア:

[(1, 78857823), (3, 26285941), (11, 7168893), (23, 3428601), (33, 2389631), (69, 1142867), (107, 736989), (253, 311691), (321, 245663), (759, 103897), (971, 81213), (1177, 66999), (2461, 32043), (2913, 27071), (3531, 22333), (7383, 10681)]