81307017

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{8831}}^1$

素因数の和:8882

約数の個数: 32

約数和(自身を含む): 135659520

約数和(自身を除く): 54352503

約数列:

[1, 3, 9, 11, 27, 31, 33, 93, 99, 279, 297, 341, 837, 1023, 3069, 8831, 9207, 26493, 79479, 97141, 238437, 273761, 291423, 821283, 874269, 2463849, 2622807, 3011371, 7391547, 9034113, 27102339, 81307017]

約数ペア:

[(1, 81307017), (3, 27102339), (9, 9034113), (11, 7391547), (27, 3011371), (31, 2622807), (33, 2463849), (93, 874269), (99, 821283), (279, 291423), (297, 273761), (341, 238437), (837, 97141), (1023, 79479), (3069, 26493), (8831, 9207)]