12838995

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1291}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 25395552

約数和(自身を除く): 12556557

約数列:

[1, 3, 5, 9, 13, 15, 17, 39, 45, 51, 65, 85, 117, 153, 195, 221, 255, 585, 663, 765, 1105, 1291, 1989, 3315, 3873, 6455, 9945, 11619, 16783, 19365, 21947, 50349, 58095, 65841, 83915, 109735, 151047, 197523, 251745, 285311, 329205, 755235, 855933, 987615, 1426555, 2567799, 4279665, 12838995]

約数ペア:

[(1, 12838995), (3, 4279665), (5, 2567799), (9, 1426555), (13, 987615), (15, 855933), (17, 755235), (39, 329205), (45, 285311), (51, 251745), (65, 197523), (85, 151047), (117, 109735), (153, 83915), (195, 65841), (221, 58095), (255, 50349), (585, 21947), (663, 19365), (765, 16783), (1105, 11619), (1291, 9945), (1989, 6455), (3315, 3873)]