81569961

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{2851}}^1$

素因数の和:2902

約数の個数: 36

約数和(自身を含む): 136587984

約数和(自身を除く): 55018023

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 153, 187, 289, 561, 867, 1683, 2601, 2851, 3179, 8553, 9537, 25659, 28611, 31361, 48467, 94083, 145401, 282249, 436203, 533137, 823939, 1599411, 2471817, 4798233, 7415451, 9063329, 27189987, 81569961]

約数ペア:

[(1, 81569961), (3, 27189987), (9, 9063329), (11, 7415451), (17, 4798233), (33, 2471817), (51, 1599411), (99, 823939), (153, 533137), (187, 436203), (289, 282249), (561, 145401), (867, 94083), (1683, 48467), (2601, 31361), (2851, 28611), (3179, 25659), (8553, 9537)]