205222977

素因数分解:

$3^6\times {\mathrm{197}}^1\times {\mathrm{1429}}^1$

素因数の和:1644

約数の個数: 28

約数和(自身を含む): 309472020

約数和(自身を除く): 104249043

約数列:

[1, 3, 9, 27, 81, 197, 243, 591, 729, 1429, 1773, 4287, 5319, 12861, 15957, 38583, 47871, 115749, 143613, 281513, 347247, 844539, 1041741, 2533617, 7600851, 22802553, 68407659, 205222977]

約数ペア:

[(1, 205222977), (3, 68407659), (9, 22802553), (27, 7600851), (81, 2533617), (197, 1041741), (243, 844539), (591, 347247), (729, 281513), (1429, 143613), (1773, 115749), (4287, 47871), (5319, 38583), (12861, 15957)]