16890687

素因数分解:

$3^5\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 28304640

約数和(自身を除く): 11413953

約数列:

[1, 3, 9, 11, 27, 33, 71, 81, 89, 99, 213, 243, 267, 297, 639, 781, 801, 891, 979, 1917, 2343, 2403, 2673, 2937, 5751, 6319, 7029, 7209, 8811, 17253, 18957, 21087, 21627, 26433, 56871, 63261, 69509, 79299, 170613, 189783, 208527, 237897, 511839, 625581, 1535517, 1876743, 5630229, 16890687]

約数ペア:

[(1, 16890687), (3, 5630229), (9, 1876743), (11, 1535517), (27, 625581), (33, 511839), (71, 237897), (81, 208527), (89, 189783), (99, 170613), (213, 79299), (243, 69509), (267, 63261), (297, 56871), (639, 26433), (781, 21627), (801, 21087), (891, 18957), (979, 17253), (1917, 8811), (2343, 7209), (2403, 7029), (2673, 6319), (2937, 5751)]