181627017

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:254

約数の個数: 64

約数和(自身を含む): 296110080

約数和(自身を除く): 114483063

約数列:

[1, 3, 11, 13, 33, 39, 67, 71, 89, 143, 201, 213, 267, 429, 737, 781, 871, 923, 979, 1157, 2211, 2343, 2613, 2769, 2937, 3471, 4757, 5963, 6319, 9581, 10153, 12727, 14271, 17889, 18957, 28743, 30459, 38181, 52327, 61841, 65593, 69509, 77519, 82147, 156981, 185523, 196779, 208527, 232557, 246441, 423373, 680251, 852709, 903617, 1270119, 2040753, 2558127, 2710851, 4657103, 5503849, 13971309, 16511547, 60542339, 181627017]

約数ペア:

[(1, 181627017), (3, 60542339), (11, 16511547), (13, 13971309), (33, 5503849), (39, 4657103), (67, 2710851), (71, 2558127), (89, 2040753), (143, 1270119), (201, 903617), (213, 852709), (267, 680251), (429, 423373), (737, 246441), (781, 232557), (871, 208527), (923, 196779), (979, 185523), (1157, 156981), (2211, 82147), (2343, 77519), (2613, 69509), (2769, 65593), (2937, 61841), (3471, 52327), (4757, 38181), (5963, 30459), (6319, 28743), (9581, 18957), (10153, 17889), (12727, 14271)]