204098517

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{443}}^1$

素因数の和:630

約数の個数: 48

約数和(自身を含む): 345765888

約数和(自身を除く): 141667371

約数列:

[1, 3, 7, 9, 21, 63, 71, 103, 213, 309, 443, 497, 639, 721, 927, 1329, 1491, 2163, 3101, 3987, 4473, 6489, 7313, 9303, 21939, 27909, 31453, 45629, 51191, 65817, 94359, 136887, 153573, 220171, 283077, 319403, 410661, 460719, 660513, 958209, 1981539, 2874627, 3239659, 9718977, 22677613, 29156931, 68032839, 204098517]

約数ペア:

[(1, 204098517), (3, 68032839), (7, 29156931), (9, 22677613), (21, 9718977), (63, 3239659), (71, 2874627), (103, 1981539), (213, 958209), (309, 660513), (443, 460719), (497, 410661), (639, 319403), (721, 283077), (927, 220171), (1329, 153573), (1491, 136887), (2163, 94359), (3101, 65817), (3987, 51191), (4473, 45629), (6489, 31453), (7313, 27909), (9303, 21939)]