278370807

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{1069}}^1$

素因数の和:1703

約数の個数: 32

約数和(自身を含む): 437176320

約数和(自身を除く): 158805513

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 607, 1069, 1821, 3207, 6677, 7891, 11759, 13897, 20031, 23673, 35277, 41691, 86801, 152867, 260403, 458601, 648883, 1946649, 7137713, 8435479, 21413139, 25306437, 92790269, 278370807]

約数ペア:

[(1, 278370807), (3, 92790269), (11, 25306437), (13, 21413139), (33, 8435479), (39, 7137713), (143, 1946649), (429, 648883), (607, 458601), (1069, 260403), (1821, 152867), (3207, 86801), (6677, 41691), (7891, 35277), (11759, 23673), (13897, 20031)]