28270197

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{3331}}^1$

素因数の和:3401

約数の個数: 24

約数和(自身を含む): 43662528

約数和(自身を除く): 15392331

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 369, 943, 2829, 3331, 8487, 9993, 29979, 76613, 136571, 229839, 409713, 689517, 1229139, 3141133, 9423399, 28270197]

約数ペア:

[(1, 28270197), (3, 9423399), (9, 3141133), (23, 1229139), (41, 689517), (69, 409713), (123, 229839), (207, 136571), (369, 76613), (943, 29979), (2829, 9993), (3331, 8487)]