81349827

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1019}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 123379200

約数和(自身を除く): 42029373

約数列:

[1, 3, 13, 23, 39, 69, 89, 267, 299, 897, 1019, 1157, 2047, 3057, 3471, 6141, 13247, 23437, 26611, 39741, 70311, 79833, 90691, 272073, 304681, 914043, 1178983, 2085893, 3536949, 6257679, 27116609, 81349827]

約数ペア:

[(1, 81349827), (3, 27116609), (13, 6257679), (23, 3536949), (39, 2085893), (69, 1178983), (89, 914043), (267, 304681), (299, 272073), (897, 90691), (1019, 79833), (1157, 70311), (2047, 39741), (3057, 26611), (3471, 23437), (6141, 13247)]