204864723

素因数分解:

$3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{12653}}^1$

素因数の和:12923

約数の個数: 24

約数和(自身を含む): 339532128

約数和(自身を除く): 134667405

約数列:

[1, 3, 7, 9, 21, 63, 257, 771, 1799, 2313, 5397, 12653, 16191, 37959, 88571, 113877, 265713, 797139, 3251821, 9755463, 22762747, 29266389, 68288241, 204864723]

約数ペア:

[(1, 204864723), (3, 68288241), (7, 29266389), (9, 22762747), (21, 9755463), (63, 3251821), (257, 797139), (771, 265713), (1799, 113877), (2313, 88571), (5397, 37959), (12653, 16191)]