57240261

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 48

約数和(自身を含む): 94348800

約数和(自身を除く): 37108539

約数列:

[1, 3, 9, 13, 23, 39, 69, 89, 117, 207, 239, 267, 299, 717, 801, 897, 1157, 2047, 2151, 2691, 3107, 3471, 5497, 6141, 9321, 10413, 16491, 18423, 21271, 26611, 27963, 49473, 63813, 71461, 79833, 191439, 214383, 239499, 276523, 489233, 643149, 829569, 1467699, 2488707, 4403097, 6360029, 19080087, 57240261]

約数ペア:

[(1, 57240261), (3, 19080087), (9, 6360029), (13, 4403097), (23, 2488707), (39, 1467699), (69, 829569), (89, 643149), (117, 489233), (207, 276523), (239, 239499), (267, 214383), (299, 191439), (717, 79833), (801, 71461), (897, 63813), (1157, 49473), (2047, 27963), (2151, 26611), (2691, 21271), (3107, 18423), (3471, 16491), (5497, 10413), (6141, 9321)]