25502139

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1$

素因数の和:236

約数の個数: 48

約数和(自身を含む): 41993952

約数和(自身を除く): 16491813

約数列:

[1, 3, 9, 13, 37, 39, 43, 111, 117, 129, 137, 333, 387, 411, 481, 559, 1233, 1443, 1591, 1677, 1781, 4329, 4773, 5031, 5069, 5343, 5891, 14319, 15207, 16029, 17673, 20683, 45621, 53019, 62049, 65897, 76583, 186147, 197691, 217967, 229749, 593073, 653901, 689247, 1961703, 2833571, 8500713, 25502139]

約数ペア:

[(1, 25502139), (3, 8500713), (9, 2833571), (13, 1961703), (37, 689247), (39, 653901), (43, 593073), (111, 229749), (117, 217967), (129, 197691), (137, 186147), (333, 76583), (387, 65897), (411, 62049), (481, 53019), (559, 45621), (1233, 20683), (1443, 17673), (1591, 16029), (1677, 15207), (1781, 14319), (4329, 5891), (4773, 5343), (5031, 5069)]