81127371

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:795

約数の個数: 32

約数和(自身を含む): 122572800

約数和(自身を除く): 41445429

約数列:

[1, 3, 13, 23, 39, 69, 149, 299, 447, 607, 897, 1821, 1937, 3427, 5811, 7891, 10281, 13961, 23673, 41883, 44551, 90443, 133653, 181493, 271329, 544479, 1175759, 2080189, 3527277, 6240567, 27042457, 81127371]

約数ペア:

[(1, 81127371), (3, 27042457), (13, 6240567), (23, 3527277), (39, 2080189), (69, 1175759), (149, 544479), (299, 271329), (447, 181493), (607, 133653), (897, 90443), (1821, 44551), (1937, 41883), (3427, 23673), (5811, 13961), (7891, 10281)]