311928393

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{103}}^1\times {\mathrm{499}}^1$

素因数の和:646

約数の個数: 48

約数和(自身を含む): 510848000

約数和(自身を除く): 198919607

約数列:

[1, 3, 7, 17, 21, 51, 103, 119, 289, 309, 357, 499, 721, 867, 1497, 1751, 2023, 2163, 3493, 5253, 6069, 8483, 10479, 12257, 25449, 29767, 36771, 51397, 59381, 89301, 144211, 154191, 178143, 208369, 359779, 432633, 625107, 873749, 1009477, 1079337, 2621247, 3028431, 6116243, 14853733, 18348729, 44561199, 103976131, 311928393]

約数ペア:

[(1, 311928393), (3, 103976131), (7, 44561199), (17, 18348729), (21, 14853733), (51, 6116243), (103, 3028431), (119, 2621247), (289, 1079337), (309, 1009477), (357, 873749), (499, 625107), (721, 432633), (867, 359779), (1497, 208369), (1751, 178143), (2023, 154191), (2163, 144211), (3493, 89301), (5253, 59381), (6069, 51397), (8483, 36771), (10479, 29767), (12257, 25449)]