81986463

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{2837}}^1$

素因数の和:2888

約数の個数: 36

約数和(自身を含む): 135032040

約数和(自身を除く): 53045577

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 169, 171, 247, 507, 741, 1521, 2223, 2837, 3211, 8511, 9633, 25533, 28899, 36881, 53903, 110643, 161709, 331929, 479453, 485127, 700739, 1438359, 2102217, 4315077, 6306651, 9109607, 27328821, 81986463]

約数ペア:

[(1, 81986463), (3, 27328821), (9, 9109607), (13, 6306651), (19, 4315077), (39, 2102217), (57, 1438359), (117, 700739), (169, 485127), (171, 479453), (247, 331929), (507, 161709), (741, 110643), (1521, 53903), (2223, 36881), (2837, 28899), (3211, 25533), (8511, 9633)]