79009581

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2889

約数の個数: 32

約数和(自身を含む): 128563200

約数和(自身を除く): 49553619

約数列:

[1, 3, 7, 19, 21, 57, 71, 133, 213, 399, 497, 1349, 1491, 2789, 4047, 8367, 9443, 19523, 28329, 52991, 58569, 158973, 198019, 370937, 594057, 1112811, 1386133, 3762361, 4158399, 11287083, 26336527, 79009581]

約数ペア:

[(1, 79009581), (3, 26336527), (7, 11287083), (19, 4158399), (21, 3762361), (57, 1386133), (71, 1112811), (133, 594057), (213, 370937), (399, 198019), (497, 158973), (1349, 58569), (1491, 52991), (2789, 28329), (4047, 19523), (8367, 9443)]