291299439

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1\times {\mathrm{613}}^1$

素因数の和:807

約数の個数: 32

約数和(自身を含む): 415908864

約数和(自身を除く): 124609425

約数列:

[1, 3, 23, 69, 71, 97, 213, 291, 613, 1633, 1839, 2231, 4899, 6693, 6887, 14099, 20661, 42297, 43523, 59461, 130569, 158401, 178383, 475203, 1001029, 1367603, 3003087, 4102809, 4221731, 12665193, 97099813, 291299439]

約数ペア:

[(1, 291299439), (3, 97099813), (23, 12665193), (69, 4221731), (71, 4102809), (97, 3003087), (213, 1367603), (291, 1001029), (613, 475203), (1633, 178383), (1839, 158401), (2231, 130569), (4899, 59461), (6693, 43523), (6887, 42297), (14099, 20661)]