2809197

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{331}}^1$

素因数の和:401

約数の個数: 24

約数和(自身を含む): 4350528

約数和(自身を除く): 1541331

約数列:

[1, 3, 9, 23, 41, 69, 123, 207, 331, 369, 943, 993, 2829, 2979, 7613, 8487, 13571, 22839, 40713, 68517, 122139, 312133, 936399, 2809197]

約数ペア:

[(1, 2809197), (3, 936399), (9, 312133), (23, 122139), (41, 68517), (69, 40713), (123, 22839), (207, 13571), (331, 8487), (369, 7613), (943, 2979), (993, 2829)]