28587939

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 41368320

約数和(自身を除く): 12780381

約数列:

[1, 3, 29, 37, 83, 87, 107, 111, 249, 321, 1073, 2407, 3071, 3103, 3219, 3959, 7221, 8881, 9213, 9309, 11877, 26643, 89059, 114811, 257549, 267177, 328597, 344433, 772647, 985791, 9529313, 28587939]

約数ペア:

[(1, 28587939), (3, 9529313), (29, 985791), (37, 772647), (83, 344433), (87, 328597), (107, 267177), (111, 257549), (249, 114811), (321, 89059), (1073, 26643), (2407, 11877), (3071, 9309), (3103, 9213), (3219, 8881), (3959, 7221)]