81242811

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{231461}}^1$

素因数の和:231483

約数の個数: 16

約数和(自身を含む): 129618720

約数和(自身を除く): 48375909

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 231461, 694383, 2083149, 3008993, 6249447, 9026979, 27080937, 81242811]

約数ペア:

[(1, 81242811), (3, 27080937), (9, 9026979), (13, 6249447), (27, 3008993), (39, 2083149), (117, 694383), (351, 231461)]