172389016863

素因数分解:

$3^2\times 7^1\times {\mathrm{6971}}^1\times {\mathrm{392531}}^1$

素因数の和:399515

約数の個数: 24

約数和(自身を含む): 284620242816

約数和(自身を除く): 112231225953

約数列:

[1, 3, 7, 9, 21, 63, 6971, 20913, 48797, 62739, 146391, 392531, 439173, 1177593, 2747717, 3532779, 8243151, 24729453, 2736333601, 8209000803, 19154335207, 24627002409, 57463005621, 172389016863]

約数ペア:

[(1, 172389016863), (3, 57463005621), (7, 24627002409), (9, 19154335207), (21, 8209000803), (63, 2736333601), (6971, 24729453), (20913, 8243151), (48797, 3532779), (62739, 2747717), (146391, 1177593), (392531, 439173)]