2180451

素因数分解:

$3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{163}}^1$

素因数の和:200

約数の個数: 32

約数和(自身を含む): 3673600

約数和(自身を除く): 1493149

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 163, 273, 343, 489, 637, 1029, 1141, 1911, 2119, 3423, 4459, 6357, 7987, 13377, 14833, 23961, 44499, 55909, 103831, 167727, 311493, 726817, 2180451]

約数ペア:

[(1, 2180451), (3, 726817), (7, 311493), (13, 167727), (21, 103831), (39, 55909), (49, 44499), (91, 23961), (147, 14833), (163, 13377), (273, 7987), (343, 6357), (489, 4459), (637, 3423), (1029, 2119), (1141, 1911)]