8427591

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:404

約数の個数: 32

約数和(自身を含む): 13386240

約数和(自身を除く): 4958649

約数列:

[1, 3, 9, 23, 27, 41, 69, 123, 207, 331, 369, 621, 943, 993, 1107, 2829, 2979, 7613, 8487, 8937, 13571, 22839, 25461, 40713, 68517, 122139, 205551, 312133, 366417, 936399, 2809197, 8427591]

約数ペア:

[(1, 8427591), (3, 2809197), (9, 936399), (23, 366417), (27, 312133), (41, 205551), (69, 122139), (123, 68517), (207, 40713), (331, 25461), (369, 22839), (621, 13571), (943, 8937), (993, 8487), (1107, 7613), (2829, 2979)]