47890791

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{2903}}^1$

素因数の和:2972

約数の個数: 32

約数和(自身を含む): 78059520

約数和(自身を除く): 30168729

約数列:

[1, 3, 9, 13, 27, 39, 47, 117, 141, 351, 423, 611, 1269, 1833, 2903, 5499, 8709, 16497, 26127, 37739, 78381, 113217, 136441, 339651, 409323, 1018953, 1227969, 1773733, 3683907, 5321199, 15963597, 47890791]

約数ペア:

[(1, 47890791), (3, 15963597), (9, 5321199), (13, 3683907), (27, 1773733), (39, 1227969), (47, 1018953), (117, 409323), (141, 339651), (351, 136441), (423, 113217), (611, 78381), (1269, 37739), (1833, 26127), (2903, 16497), (5499, 8709)]