2806479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1$

素因数の和:136

約数の個数: 36

約数和(自身を含む): 4693416

約数和(自身を除く): 1886937

約数列:

[1, 3, 9, 13, 17, 39, 51, 83, 117, 153, 221, 249, 289, 663, 747, 867, 1079, 1411, 1989, 2601, 3237, 3757, 4233, 9711, 11271, 12699, 18343, 23987, 33813, 55029, 71961, 165087, 215883, 311831, 935493, 2806479]

約数ペア:

[(1, 2806479), (3, 935493), (9, 311831), (13, 215883), (17, 165087), (39, 71961), (51, 55029), (83, 33813), (117, 23987), (153, 18343), (221, 12699), (249, 11271), (289, 9711), (663, 4233), (747, 3757), (867, 3237), (1079, 2601), (1411, 1989)]