257632479

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1249}}^1$

素因数の和:1352

約数の個数: 48

約数和(自身を含む): 420420000

約数和(自身を除く): 162787521

約数列:

[1, 3, 9, 13, 39, 41, 43, 117, 123, 129, 369, 387, 533, 559, 1249, 1599, 1677, 1763, 3747, 4797, 5031, 5289, 11241, 15867, 16237, 22919, 48711, 51209, 53707, 68757, 146133, 153627, 161121, 206271, 460881, 483363, 665717, 698191, 1997151, 2094573, 2201987, 5991453, 6283719, 6605961, 19817883, 28625831, 85877493, 257632479]

約数ペア:

[(1, 257632479), (3, 85877493), (9, 28625831), (13, 19817883), (39, 6605961), (41, 6283719), (43, 5991453), (117, 2201987), (123, 2094573), (129, 1997151), (369, 698191), (387, 665717), (533, 483363), (559, 460881), (1249, 206271), (1599, 161121), (1677, 153627), (1763, 146133), (3747, 68757), (4797, 53707), (5031, 51209), (5289, 48711), (11241, 22919), (15867, 16237)]