25156677

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2143}}^1$

素因数の和:2209

約数の個数: 32

約数和(自身を含む): 42262528

約数和(自身を除く): 17105851

約数列:

[1, 3, 7, 13, 21, 39, 43, 91, 129, 273, 301, 559, 903, 1677, 2143, 3913, 6429, 11739, 15001, 27859, 45003, 83577, 92149, 195013, 276447, 585039, 645043, 1197937, 1935129, 3593811, 8385559, 25156677]

約数ペア:

[(1, 25156677), (3, 8385559), (7, 3593811), (13, 1935129), (21, 1197937), (39, 645043), (43, 585039), (91, 276447), (129, 195013), (273, 92149), (301, 83577), (559, 45003), (903, 27859), (1677, 15001), (2143, 11739), (3913, 6429)]