254378523

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{2657}}^1$

素因数の和:2811

約数の個数: 32

約数和(自身を含む): 400103424

約数和(自身を除く): 145724901

約数列:

[1, 3, 7, 21, 47, 97, 141, 291, 329, 679, 987, 2037, 2657, 4559, 7971, 13677, 18599, 31913, 55797, 95739, 124879, 257729, 374637, 773187, 874153, 1804103, 2622459, 5412309, 12113263, 36339789, 84792841, 254378523]

約数ペア:

[(1, 254378523), (3, 84792841), (7, 36339789), (21, 12113263), (47, 5412309), (97, 2622459), (141, 1804103), (291, 874153), (329, 773187), (679, 374637), (987, 257729), (2037, 124879), (2657, 95739), (4559, 55797), (7971, 31913), (13677, 18599)]