81481801

素因数分解:

${\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{1217}}^1$

素因数の和:1352

約数の個数: 16

約数和(自身を含む): 88397568

約数和(自身を除く): 6915767

約数列:

[1, 23, 41, 71, 943, 1217, 1633, 2911, 27991, 49897, 66953, 86407, 1147631, 1987361, 3542687, 81481801]

約数ペア:

[(1, 81481801), (23, 3542687), (41, 1987361), (71, 1147631), (943, 86407), (1217, 66953), (1633, 49897), (2911, 27991)]