201321729

素因数分解:

$3^2\times 7^1\times {\mathrm{83}}^1\times {\mathrm{38501}}^1$

素因数の和:38597

約数の個数: 24

約数和(自身を含む): 336353472

約数和(自身を除く): 135031743

約数列:

[1, 3, 7, 9, 21, 63, 83, 249, 581, 747, 1743, 5229, 38501, 115503, 269507, 346509, 808521, 2425563, 3195583, 9586749, 22369081, 28760247, 67107243, 201321729]

約数ペア:

[(1, 201321729), (3, 67107243), (7, 28760247), (9, 22369081), (21, 9586749), (63, 3195583), (83, 2425563), (249, 808521), (581, 346509), (747, 269507), (1743, 115503), (5229, 38501)]