81667729

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:457

約数の個数: 24

約数和(自身を含む): 97396992

約数和(自身を除く): 15729263

約数列:

[1, 11, 13, 143, 169, 197, 223, 1859, 2167, 2453, 2561, 2899, 28171, 31889, 33293, 37687, 43931, 366223, 414557, 483241, 571103, 6282133, 7424339, 81667729]

約数ペア:

[(1, 81667729), (11, 7424339), (13, 6282133), (143, 571103), (169, 483241), (197, 414557), (223, 366223), (1859, 43931), (2167, 37687), (2453, 33293), (2561, 31889), (2899, 28171)]