27156415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1999}}^1$

素因数の和:2047

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 13163585

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 715, 1045, 1235, 1999, 2717, 9995, 13585, 21989, 25987, 37981, 109945, 129935, 189905, 285857, 417791, 493753, 1429285, 2088955, 2468765, 5431283, 27156415]

約数ペア:

[(1, 27156415), (5, 5431283), (11, 2468765), (13, 2088955), (19, 1429285), (55, 493753), (65, 417791), (95, 285857), (143, 189905), (209, 129935), (247, 109945), (715, 37981), (1045, 25987), (1235, 21989), (1999, 13585), (2717, 9995)]