28272519

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{347}}^1\times {\mathrm{823}}^1$

素因数の和:1187

約数の個数: 24

約数和(自身を含む): 44733312

約数和(自身を除く): 16460793

約数列:

[1, 3, 9, 11, 33, 99, 347, 823, 1041, 2469, 3123, 3817, 7407, 9053, 11451, 27159, 34353, 81477, 285581, 856743, 2570229, 3141391, 9424173, 28272519]

約数ペア:

[(1, 28272519), (3, 9424173), (9, 3141391), (11, 2570229), (33, 856743), (99, 285581), (347, 81477), (823, 34353), (1041, 27159), (2469, 11451), (3123, 9053), (3817, 7407)]