247484061

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:482

約数の個数: 48

約数和(自身を含む): 399904128

約数和(自身を除く): 152420067

約数列:

[1, 3, 9, 11, 33, 71, 99, 137, 213, 257, 411, 639, 771, 781, 1233, 1507, 2313, 2343, 2827, 4521, 7029, 8481, 9727, 13563, 18247, 25443, 29181, 35209, 54741, 87543, 105627, 106997, 164223, 200717, 316881, 320991, 387299, 602151, 962973, 1161897, 1806453, 2499839, 3485691, 7499517, 22498551, 27498229, 82494687, 247484061]

約数ペア:

[(1, 247484061), (3, 82494687), (9, 27498229), (11, 22498551), (33, 7499517), (71, 3485691), (99, 2499839), (137, 1806453), (213, 1161897), (257, 962973), (411, 602151), (639, 387299), (771, 320991), (781, 316881), (1233, 200717), (1507, 164223), (2313, 106997), (2343, 105627), (2827, 87543), (4521, 54741), (7029, 35209), (8481, 29181), (9727, 25443), (13563, 18247)]