1636479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:287

約数の個数: 24

約数和(自身を含む): 2594592

約数和(自身を除く): 958113

約数列:

[1, 3, 9, 13, 39, 71, 117, 197, 213, 591, 639, 923, 1773, 2561, 2769, 7683, 8307, 13987, 23049, 41961, 125883, 181831, 545493, 1636479]

約数ペア:

[(1, 1636479), (3, 545493), (9, 181831), (13, 125883), (39, 41961), (71, 23049), (117, 13987), (197, 8307), (213, 7683), (591, 2769), (639, 2561), (923, 1773)]