87789867

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 131258880

約数和(自身を除く): 43469013

約数列:

[1, 3, 11, 33, 71, 89, 213, 267, 421, 781, 979, 1263, 2343, 2937, 4631, 6319, 13893, 18957, 29891, 37469, 69509, 89673, 112407, 208527, 328801, 412159, 986403, 1236477, 2660299, 7980897, 29263289, 87789867]

約数ペア:

[(1, 87789867), (3, 29263289), (11, 7980897), (33, 2660299), (71, 1236477), (89, 986403), (213, 412159), (267, 328801), (421, 208527), (781, 112407), (979, 89673), (1263, 69509), (2343, 37469), (2937, 29891), (4631, 18957), (6319, 13893)]