208523835

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1065

約数の個数: 64

約数和(自身を含む): 402716160

約数和(自身を除く): 194192325

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 131, 135, 195, 351, 393, 585, 655, 907, 1179, 1703, 1755, 1965, 2721, 3537, 4535, 5109, 5895, 8163, 8515, 11791, 13605, 15327, 17685, 24489, 25545, 35373, 40815, 45981, 58955, 76635, 106119, 118817, 122445, 176865, 229905, 318357, 356451, 530595, 594085, 1069353, 1544621, 1591785, 1782255, 3208059, 4633863, 5346765, 7723105, 13901589, 16040295, 23169315, 41704767, 69507945, 208523835]

約数ペア:

[(1, 208523835), (3, 69507945), (5, 41704767), (9, 23169315), (13, 16040295), (15, 13901589), (27, 7723105), (39, 5346765), (45, 4633863), (65, 3208059), (117, 1782255), (131, 1591785), (135, 1544621), (195, 1069353), (351, 594085), (393, 530595), (585, 356451), (655, 318357), (907, 229905), (1179, 176865), (1703, 122445), (1755, 118817), (1965, 106119), (2721, 76635), (3537, 58955), (4535, 45981), (5109, 40815), (5895, 35373), (8163, 25545), (8515, 24489), (11791, 17685), (13605, 15327)]