13688787

素因数分解:

$3^1\times 7^3\times {\mathrm{53}}^1\times {\mathrm{251}}^1$

素因数の和:328

約数の個数: 32

約数和(自身を含む): 21772800

約数和(自身を除く): 8084013

約数列:

[1, 3, 7, 21, 49, 53, 147, 159, 251, 343, 371, 753, 1029, 1113, 1757, 2597, 5271, 7791, 12299, 13303, 18179, 36897, 39909, 54537, 86093, 93121, 258279, 279363, 651847, 1955541, 4562929, 13688787]

約数ペア:

[(1, 13688787), (3, 4562929), (7, 1955541), (21, 651847), (49, 279363), (53, 258279), (147, 93121), (159, 86093), (251, 54537), (343, 39909), (371, 36897), (753, 18179), (1029, 13303), (1113, 12299), (1757, 7791), (2597, 5271)]